A computer technician notes that 40% of computers fail because of the hard drive. If he repairs many computers a day, what is the probability that the first computer that has failed due to the hard drive is his 4th computer of the day?

Answers

Answer 1

Answer:

(B) 0.0864

Step-by-step explanation:

Correct on Edge


Related Questions

HELP ASAP PLEASE
What’s the answer

Answers

Answer:

Step-by-step explanation:

function 2

Will this be 1,3? so confused

Answers

Answer: yes the answer is (1,3) :)

Step-by-step explanation: you go by the horizontal axis (left to right) which is 1 and then the vertical axis (up and down) which is 3. the point of intersection is (1,3) hope this helps :) also don’t go to the link that the person posted, it might be dangerous.

A college administrator wanted to know if the proportion of students who request online classes, lab classes, or lecture classes was different at two different campuses. At each campus, the administrator took a random sample of 250 students and asked each student which type of class they preferred. The conditions for the appropriate test were verified, and the chi-square test statistic for the test was calculated to be 4.01 with an associated p-value of 0.1347. If the significance level of the test was alpha = .05, what conclusion should the college administrator make about the proportion of students who request online classes, lab classes, or lecture classes at two different campuses?
A. There is convincing statistical evidence to suggest that the proportion of students who request certain classes is the same at each campus.
B. There is convincing statistical evidence to suggest that the proportion of students who request certain classes is different at each campus.
C. There is not convincing statistical evidence to suggest that the proportion of students who request certain classes is the same at each campus.
D. There is not convincing statistical evidence to suggest that the proportion of students who request certain classes is different at each campus.
E. There is not convincing statistical evidence to prove that the proportion of students who request certain classes is different at each campus.

Answers

Answer:

There is convincing statistical evidence to suggest that the proportion of students who request certain classes is the same at each campus. ( A )

Step-by-step explanation:

Given sample size = 250

Test statistic = 4.01

P-value = 0.1347

significance level  = 0.05

while using chi-square we are supposed to reject H0, but we cant get the critical value ( Z - value ) because the information isn't available , but we are left with the P-value and this P-value been very low shows that the Alternate hypothesis is not strong enough for us to reject the Null hypothesis.

hence we will accept the Null Hypothesis  

Answer: B. There is not convincing statistical evidence to suggest that the proportion of students who request certain classes is different at each campus.

Step-by-step explanation: The null hypothesis is that the proportion of students who request certain classes is the same at each campus. Since the p-value is greater than a, there is insufficient evidence to reject the null hypothesis and conclude the alternative hypothesis, that the proportion of students who request certain classes is different at each campus.

PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
You ask the students in class two questions. Which question is statistical and which is non-statistical? Explain.
What time does the first period begin?
What time do you leave home to go to school?

Answers

Answer:

the first is non-statistical and the second one is statistical

Step-by-step explanation:

when it is statistical it is asking in general (like a yes or no question) and when it's non-statistical it is asking something specific.

Need help thanks don’t understand

Answers

Answer:

You need help with what-?

PLEASE LOOK AT PICURE THEN ANWSER, WHOEVER IS CORRECT I WILL MARK BRAINIEST :)

Answers

The answer is A. Hope u get it right

The area of a rectangle is 42 square meters. The length is 7 meters. What is the width?

Answers

The correct answer is 6
The answer has to be six

Need help please???

Answers

Answer:

y= [tex]\frac{3}{5}x[/tex] [tex]-\frac{26}{5}[/tex]

Step-by-step explanation:

x₁    y₁                     m= slope

(2, -4)                     point-slope equation: y - y₁ = m( x - x₁)

y-(-4) = [tex]\frac{3}{5}[/tex]( x - 2)

y + 4 = [tex]\frac{3}{5} x[/tex] - [tex]\frac{6}{5}[/tex]

y = [tex]\frac{3}{5}x[/tex] - [tex]\frac{6}{5}[/tex] - [tex]\frac{20}{5}[/tex]

y = [tex]\frac{3}{5} x[/tex] - [tex]\frac{26}{5}[/tex]

question 4 please, im not sure

Answers

Answer:

X=9

Step-by-step explanation:

Well since its a vertical angle, vertical angles are equal Or congruent.

So they equal the same so technically

3x+8=35

Solve

x=9

Answer:

x=9°

vertically opposite Angles are equal therefore (3x+8°)=35°

then 3x=35-8

3x=27

x=9

how many degrees is a acute angle

Answers

The answer is 90 degrees

Any angle that measures less than 90 degrees

Parents wish to have $100,00 available for a child’s education. If the child is now 9 years old, how much money must be set aside at 6% compounded semiannually to meet their financial goal when the child is 18.

The amount that should be set aside is $____. (Round up to the nearest dollar.)

Answers

Answer:

$58,739.46   so $58,739

Step-by-step explanation:

I suspect you want $100,000      not $10000

  A = P(1 + r/t)^nt

A = final amount

P = initial principal

r = interest rate

n = number of times the interest is applied per time period

t = number of time periods elapsed

number of time periods is 18-9  = 9

semiannual 2   makes n = 2

A = 100,000

P = ????

r  = 0.06

n = 2

t  = 2

I used to finance calculator app to find P = 58739.46

and double checked by using the formula to find A

A = P(1 + r/t)^nt

   = 58739( 1 + 0.06/2)^(2(9))

  = 58739.46( 1.03)^18

  = 99999.9987

OR

A = P(1 + r/t)^nt            solve for P

P =  A/[(1 + r/t)^nt]

  =  10000/[(1 + 0.06/2)^(2(9))]

  =  100000 / [1.03^18]

 =  $58,739.46

Which values are solutions to the inequality below? Check all that apply.

x² < 64​

Answers

Answer:

C, D, and E work,

Step-by-step explanation:

myq-eimh-otm

a.l.l
a.l.o.u.l.d

Answers

Yesssssssssssssssssssssssssss

What is the volume of the rectangular prism?
3 cm
3 cm
3 cm

Answers

Answer:

Step-by-step explanation:

The volume of a cube is s^3

s = 3

Volume = 3*3*3

Volume = 27 cm^3

an expression is shown. 9,537 ÷ 33 what is the value of the expresion?

Answers

Answer:

9537÷33=289

why?

33×289=9537

The average of 8, 14, and x is 10. What is the value ofx ?
O 8
O 10
O 11
O 12

Answers

Answer: so are you saying that 8+14x because I don’t know what you write so here the answer

Step-by-step explanation: Hope this help :D

Evaluate for x=10

8+(14)(10)

8+(14)(10)

=148

But if you don’t want that then I will guess the answer is C.11

The value of x is 8

Given: 8, 14, x

Average = 10

Then,

(8 + 14 + x) / 3 = 10

Cross product

(8 + 14 + x) = 3 × 10

22 + x = 30

x = 30 - 22

x = 8

Read more:

https://brainly.com/question/13158712

Write the mix number as a fraction. 1 2/3 ||

Answers

Answer:

8/3

Step-by-step explanation:

The sum of two numbers is 802, and the difference of the 2 numbers is
438. What are the two numbers?

Answers

Answer:

x = 620

y = 182

Step-by-step explanation:

The sum of two numbers is 802

x + y = 802

The difference of two numbers is 438

x - y = 438

x + y = 802

x - y = 438 Add

2x = 1240    Divide by 2

x = 1240/2

x = 620

x + y = 802

620 + y = 802      Subtract 620 from both sides

y = 802 - 620

y = 182

     

Find the surface area of the regular pyramid

Answers

Greetings from Brazil!

[tex]4\dfrac{1}{2} =\dfrac{9}{2}[/tex]

[tex]Af1=\dfrac{b\cdot h}{2} \cdot 4\\\\\\Af1=\dfrac{\dfrac{9}{2} \cdot 4}{2} \cdot 4\\\\\\Af1=\dfrac{\dfrac{36}{2} }{2} \cdot 4\\\\\\Af1=\dfrac{18}{2} \cdot 4\\\\Af1=9\cdot 4\\\\Af1=36~m^2[/tex]

[tex]Af2=l^2\\\\Af2=(\dfrac{9}{2})^2\\\\\ Af2=\dfrac{81}{4}\\\\Af2=20,25~m^2[/tex]

[tex]At=Af1+Af2\\At=36+20,25\\At=56,25~m^2[/tex]

I hope I helped you! =)  

Help me please with this math problem.

Answers

Answer:

The table is a quadratic function

Step-by-step explanation:

Given

The attached table

Required

Tell if it is a quadratic function

The difference in the x values are uniform (i.e. difference of 1), so the following method can be applied.

(1) Subtract adjacent y values.

[tex]d_1=2 - 16 = -14[/tex]

[tex]d_2=-2 - 2 = -4[/tex]

[tex]d_3 = 4--2 = 6[/tex]

[tex]d_4 = 20 - 4 = 16[/tex]

(2) Subtract adjacent differences in (1) above

[tex]d_5 = d_2 - d_1 = -4 --14 = 10[/tex]

[tex]d_6 = d_3 - d_2 = 6 --4 = 10[/tex]

[tex]d_7 = d_4 - d_3 = 16 -6 = 10[/tex]

Notice the calculated differences in (2) are the same.

Hence, the table is a quadratic function

An artist is commissioned to build two hollow glass sculptures standing vertically, one in the form of a triangular prism and one in the form of a rectangular prism. Their dimensions are shown below.


Please don’t answer just for points this is a milestones challenge and I actually need help :)

Answers

Answer: read below

Step-by-step explanation:

A. The volume of sculpture 1 is greater than the volume of sculpture 2. TRUE

B. The surface area of sculpture 2 is less than the surface area of sculpture 1. FALSE

C. The base of sculpture 1 covers a larger area than the base of sculpture 2. TRUE

D. Sculpture 1 requires more glass to complete than sculpture 2. FALSE

There are 4 points that form a rectangle. Three of the points are: (-5 -1) (-5 3) (2<3 What are the coordinates of the fourth point?

Answers

Answer:

[tex]C = (2,-1)[/tex]

Step-by-step explanation:

Given

[tex]A = (-5,-1)[/tex]

[tex]B = (-5,3)[/tex]

[tex]D = (2,3)[/tex]

Required

The coordinate of the fourth point (C)

The given coordinates indicate the rectangle is vertical/horizontal because it has similar x and y values.

The coordinate of such rectangle can be represented as:

[tex]A = (x_1,y_1)[/tex]

[tex]B = (x_1,y_2)[/tex]

[tex]C = (x_2,y_1)[/tex]

[tex]D = (x_2,y_2)[/tex]

By comparing the general coordinates with the given coordinates, we have:

[tex]x_1 = -5[/tex] --- see A and B

[tex]y_1 = -1[/tex] --- see A and C

[tex]x_2 = 2[/tex] ---- see C and D

[tex]y_2 = 3[/tex] --- see B and D

So, we have:

[tex]C = (x_2,y_1)[/tex]

[tex]C = (2,-1)[/tex]

Answer is:

C. (2, -1)

The figure is the net for a rectangular prism. What is the surface area of the rectangular prism represented by the net?

Answers

Answer:

Solution given:

net surface area=9×(3+5+3+5)+2(3×5)=174in² is your answer.

L=5 B=3 H=9

TSA

2(LB+BH+LH)2(5×3+3×9+5×9)2(15+27+45)2(42+45)2(87)174in²

6. An electrician needs to repair a lamp on a wall whose height is 55 m. The lamp
is 11 m below the top most point. She uses a ladder to reach the lamp as shown
in the figure below. If the ladder is inclined at 60 degrees to the ground, what is the length of the
ladder?

Answers

Answer:

first one is correct

Step-by-step explanation:

PLS HELP!!! FOR 10 POINTS SHOW WORK PLEASE

Tell whether the angles are adjacent or vertical. Then find the value of x

The angles are ? Angles
The value of x is ?

Answers

Answer:

adjacent

x = 100

Step-by-step explanation:

These two angles share a ray in common. They are adjacent.

x + 80 = 180      Subtract 80 from both sides

x =  180 - 80

x = 100

Help me I don’t know the answer

Answers

Answer:

It is C and D :)

Step-by-step explanation:

Each input is multiplied by 2 to get the output which is why it is C. The coordinates are just the input as the X value and the output as the Y value, which is why it is also D.

Hope this helps can I have brainliest pls

Solve by Graphing: Y=4x-3 and y=-x+2

Answers

1. The starting point is -3 then go up 4 and run 1

2. The starting point is 2 then go up one and then go one left bc it’s negative


Sally's savings account has $238 and she is withdrawing (taking money out) $17 each week to put gas in her car. How much money will Sally have after 5 weeks?

Answers

Answer:

$153

Step-by-step explanation:

The Correct Answer for this is 153$ Because you times 17 by 5 and subtract that from 238

How many tons are equal to 6,000 pounds

Answers

1 ton equals 2000 pounds

so 3 tons equals 6000 pounds

Answer: 3 tons

Answer:

6,000 Pounds =

3 Tons

Step-by-step explanation:

A pound is a unit of weight commonly used in the United States and the British commonwealths. A pound is defined as exactly 0.45359237 kilograms.

A ton, also referred to as a short ton, is a unit of weight equal to 2,000 pounds. It is commonly used in the United States. Most other countries use the metric ton, or "tonne".

Two processes in a manufacturing line are performed manually: operation A and operation B. A random sample of 50 different assemblies using operation A shows that the sample average time per assembly is 8.05 minutes, with a population standard deviation of 1.36 minutes. A random sample of 38 different assemblies using operation B shows that the sample average time per assembly is 7.26 minutes, with a population standard deviation of 1.06 minutes.

Required:
For α = 0.10, is there enough evidence in these samples to declare that operation A takes significantly longer to perform than operation B?

Answers

Answer:

3.06

Step-by-step explanation:

The correct answer is - 3.06

Reason -

For sample A :

mean, [tex]\bar{x_{1} }[/tex] = 8.05          

Standard deviation, [tex]\sigma_{1}[/tex] = 1.36          

Size, [tex]n_{1}[/tex] = 50          

                 

For sample B :

mean, [tex]\bar{x_{2} }[/tex] = 7.26          

Standard deviation, [tex]\sigma_{2}[/tex] = 1.06          

Size, [tex]n_{2}[/tex] = 38

Now,

[tex]\bar{x_{1} }[/tex] - [tex]\bar{x_{2} }[/tex]  = 8.05 - 7.26 = 0.79

Standard deviation error, SE = √([tex]\sigma_{1}[/tex]²/[tex]n_{1}[/tex] + [tex]\sigma_{2}[/tex]²/[tex]n_{2}[/tex])  = 0.2580

Now,

Z-statistic = ([tex]\bar{x_{1} }[/tex] - [tex]\bar{x_{2} }[/tex] )/ SE

                = 0.79/0.2580

                = 3.06

⇒Z-statistic = 3.06

Other Questions
Select each expression that is equivalent to 4(x + 8)4x + 324x + 82x + 4 + 2x + 44x + 8(4)2(2x + 16) can someone help me with this prooblem ____ The Rhino and the tick bird. A. MutualismB. CommensalismC. Parasitism The perimeter of a square P depends on the length of its sides S this can be written in function notation as P( s) what is the best interpretation of p(3)=12 Please Classify 1 and 2 using all names that apply (PLEASE HELP!! AND NO LINKS OR I WILL REPORT YOU!) Who here hates Life? 3) Raeana is twice as old as Madeline, and Laura is 10 years older than Raeana.If Laura is 50 years old, how old is Madeline? Let m represent Madeline's age inyears, and let r represent Raeana's age in years. Navigation Acts supported the policy of mercantilism, which stated that:A: all men have natural rights.B: the seas should be free for all.C: colonies exist for the profit of the mother country.D: trade is the best way to build positive relationships between countries. Rewrite this Email correctly ^o^ Why were political and business leaders such as Robert Livingston keen to develop technologies like the steamboat? PLEASE HELP PROBLEM IN PHOTO! Line ABC is a straight lineWhich descnbes the relationship between 21 and 22?21 and 22 are complementary angles.21 and 22 are supplementary angles.21 and 22 are vertical angles21 and 22 are acute angles first to answer gets brainlesit! get it correct. which of the following is not a basis for personal jurisdiction over a nonresident defendant in a child support caseA) The nonresident has traveled through the state on many occasionsB) In the past, the nonresident had sexual intercourse in the state and the child may have been conceived by that act.C) In the past, the nonresident resided with the child in the stateD) The nonresident is personally served within the state How would you categorize the following:a man, a plan, a canal: Panamaa palindromea limericka riddlea myth Drag the tiles to the boxes to form correct pairs.Match each sentence from an introduction paragraph of a literary analysis essay with the correct essay element.Through the character of Mathilde,Maupassant criticizes the humantendency to care too much aboutappearances.Mathilde, who is married to a humble clerk,is unhappy with her middle-class life. In anattempt to appear rich and glamorous, sheborrows a diamond necklace from a friendbut ends up misplacing it. The struggle topay for the lost necklace traps Mathilde ina life of poverty.An Estonian proverb says, Who doesnot thank for little will not thank formuch. This is especially true in thecase of Madame Mathilde, theprotagonist of French writer Guy deMaupassant's short story The Necklace.hookarrowBothsummaryarrowBoththesisarrowBoth MerpMerpMerpMerpMerp what are the light properties and how can color in white light can be investigated Javier's fuel tank holds 12 gallons of gasoline when completely full. He had some gas in the tank and added 10.3 gallons of gasoline to fill it completely. How many gallons of gasoline were in the tank before Javier added some?