A coin is tossed 12 times. What is the probability of obtaining five heads and seven tails?

Answers

Answer 1
I believe the probability would be 0.19336
Answer 2

Answer:

99/512 = 0.193359375

Step-by-step explanation:

Each sequence of 5 H's and 7 T's has probability of occurring equal to      1/2^12 (1 divided by 2 to the twelfth power).

Since the number of 5 H, 7 T sequences is equal to C(12,5) =                           the number of combinations of 12 things taken 5 at a time =

12 * 11 * 10 * 9 * 5 / (5 * 4 * 3 * 2 * 1) =

792,

we have that the probability of obtaining 5 H's and 7 T's =

the sum of the probabilities of all of the sequences =

1/2^12 + 1/2^12 + 1/2^12 + . . . + 1/2^12, 792 times =

792(1/2^12) =

99 / 2^9 =

99 /512 =

0.193359375


Related Questions

5551-525152+62626626×552526 solve it.​

Answers

Answer:

=34602838637675

Step-by-step explanation:

=−519601+(62626626)(552526)

=−519601+34602839157276

=34602838637675

What is 4 x 3 to the 2nd power

Answers

4 x 3 = 12, and
12 to the power of 2 (12 x 12) is 144.

What is the simple interest on a principal of $4,200 invested at an interest rate of
8% for 3.5 years?

Answers

Answer:

$1176

Step-by-step explanation:

4200 x 0.08 x 3.5 = $1176

QUESTION 18
A natural gas company charges a fixed customer fee of $ 12.60 every
month even if no natural gas is used. For every unit of natural gas used,
the customer is charged an additional $0.64.
a. Using was the number of units used in a month and y as the total
monthly cost, write an equation that fits this problem.

Answers

Answer:

y = 0.64w + 12.60

Step-by-step explanation:

This is a linear relationship y= mx + b and:

The y-intercept is b = 12.60The slope is m = 0.64

The monthly total is:

y = 0.64w + 12.60

Dennis Hausearns $67,000 per year as a business manager. His exemptions
include himself, his wife, and their daughter. The state tax rate in his state is
3.5% of taxable income. Find the state tax withheld using the following figure.
Exemptions
Single
$1,500
Married $3,000
Each Dependent $1,500
$2,142.32
$2,361.50
$2,187.50
$2,237.50

Answers

Answer: $2,187.50

Step-by-step explanation:

Define all the exemptions that applie:

exemption for being married:  $3000

exemption for 1 dependent:     $ 1,500

3000 + 1500 = 4500

Subtract the exemptions from the yearly earnings:

67000 - 4500 = 62,500

Now, applied the 3.5 % tax

3.5 / 100 = (0.035)

62,500 x 0.035 = 2187.50

A pet store has c tanks of fish. Each tank has 25 fish. Using c , write an expression for the total number of fish in the store.

Answers

Answer:

25c

Step-by-step explanation:

For example , if there are 3 tanks (or n is 3), the total number of fish would be 25* 3 = 75 fish.


A line passes through the point (6, -4) and has a slope of - 4/3
Write an equation in point-slope form for this line.

Answers

Answer:

y--4=-4/3(x-6)

Then, y+4=-4/3(x-6).

Note that a change can be an increase or a decrease.
For an increase, use a positive number.
For a decrease, use a negative number.

(a) Laura pumped 7 gallons of water into her pool each minute for 14 minutes. What was the total change in the amount of water in the pool?

Answers

Answer:

98 gallons

Step-by-step explanation:

Laura's Pump rate = 7 gallon/minute.

Thus, the total change in 14 minutes =

7(14) = 98 gallons

I know why no ones answering your questions. Because there is not enough info.  

My guess is an increase tho.

Is 8 a solution to the equation x+6=x+6

Answers

Answer:

If you mean could x be eight, then yes, x could equal eight. However, any number could be the solution as this equation has an infinite solution.

Step-by-step explanation:

Once again, I am going off of you are asking if eight could be x. If that is what you are asking, here is the reason.

The equal sign shows that both sides equal each other. If you plug in 8 for x, then you get:

8+6=8+6

14=14

Does 14=14? Yes, so plugging in eight for x works. However, looking at this, we can see that your solution would actually be an infinite solution. This is because, no matter what number we plug in for x, we will get a true statement.

In frequency curve the points are joined by bits of a straight line. True/False​

Answers

False. The frequency curve for a distribution can be obtained by drawing a smooth and free hand curve through the midpoints of the upper sides of the rectangles forming the histogram.

Write the prime factorization of 16. Use exponents when appropriate and order the factors from least to greatest (for example, 2.2.3.5).
23
hlp plz this is really hard

Answers

Answer:

16 =2^4

Step-by-step explanation:

16

16 = 4*4

but 4 is not prime

4 = 2*2

16 = 2*2*2*2

Rewriting with exponents

16 =2^4

Answer:

→ Prime factorization of 16 :

16 = 2 × 2 × 2 × 216 = 2⁴; in the form b = aⁿhere, n = 4 is the exponent and a = 2 is the prime factor16 = 2⁴ is the right answer.

FIND X. Just type the number.
what does 3x mean?
and can you solve this equation?

Answers

Answer:

The diagram shows a right angle  3 x = 90 so x = 30

Or x + 3 x = (180 - 60) = 120

And again x = 30 deg

solve this equation
3/7x+5=-4/7x-3

Answers

Answer:

x = -8

Step-by-step explanation:

[tex]\frac{3}{7} x + 5 = \frac{-4}{7} x - 3\\5 = -1x-3\\8 = -1x\\-8 = x[/tex]

The answer is x= -1/8

help me with this sum I will mark you as brainiest ​

Answers

Answer: 195

176

888

173

199

can u pls give brainliest

Hello everyone, please help me out on this, Select each correct answer pls.

Answers

Hey Caleb, the correct answers are A and D

Please mark brainiest :)

A spinner has 4 equal sectors colored yellow, blue, green, and red. If in 100 spins we get
28 blue (B), 25 red (R), 29 green (G), and 18 yellow (Y) outcomes, find the empirical probability of getting color P(R).
O A. 6/25
OB. 1/4
O C. 3/10
O D. 13/50

Answers

Answer:

B

Step-by-step explanation:

28+25+29+18 = 100

red = 25

25/100     =    1/4

The required empirical probability is 1/4 which gets the color of red P(R).

What is probability?

The probability is defined as the possibility of an event being equal to the ratio of the number of favorable outcomes and the total number of outcomes.

A spinner has 4 equal sectors colored yellow, blue, green, and red. If in 100 spins we get

28 blue (B), 25 red (R), 29 green (G), and 18 yellow (Y) outcomes

To find the empirical probability of getting a red outcome, we need to divide the number of red outcomes by the total number of spins:

P(R) = 25 red outcomes / 100 spins

Apply the division operation, and we get

P(R) = 1/4

Hence, the required empirical probability is 1/4

Therefore, the correct answer is 1/4 or option B.

Learn more about probability here:

brainly.com/question/11234923

#SPJ2

Factorise : x^2 - 4x + 5

Answers

Answer:

The expression is not factorable with rational numbers

PLEASE HELP!!!!!
will mark brainliest!!!!!

Answers

Answer:

x. f(×)

6. 9

7. 7

8. 5

9. 3

10. 1

A diagram of a lot of land is shown. The scale on the diagram is 1 cm represents 2.5 yrds. What is the perimeter of the actual lot of land?

Answers

i think this question is already on brainly!

PLEASE HELP!!!!!
will mark brainliest!!!!!

Answers

Answer:

x = -7 —> f(x) =4

x = -1 —> f(x) = 4

x=2 —> f(x) = 4

I hope I helped you^_^

Let x be the last digit in your Student number. Give x?
A principal of $350x is invested at 8 % interest for 5 years. Determine the future value
if the interest is compounded quarterly .

Answers

After being compounded for a period of 5 years, the amount will rise to $5,200.82.

The interest is given on an annual basis and so is the period yet the compounding period is quarterly. The first thing to do therefore, is to convert the interest and period to quarterly measures.

Interest = 8% / 4 = 2% per quarter

Periods = 5 x 4 = 20 quarters

Amount will be $3,500

The amount after 5 years will be:

= Amount x ( 1 + rate) ^ number of periods

= 3,500 x ( 1 + 2%) ²⁰

= $5,200.8158859

= $5,200.82

In conclusion, the amount will be $5,200.82 after 5 years.

Find out more at https://brainly.com/question/13160996.

Simplify (9 ^ 2)/(9 ^ 7)
PLS HELP!!!! WILL MARK BRAINLIEST!

Answers

Answer:

1/9^5

Step-by-step explanation:

Yeah you're correct, 9^2/9^7 = 1/9^(7-2).

A missile uses an internal computer clock to measure time in tenths of a second. The missile guidance system needs the time from launch, in seconds, in order to calculate its distance from the launch site. It obtains this by multiplying the computer clock time by 0.1. So, for example, a reading of 50 tenths of a second is 5 seconds. For one particular missile system, the conversion factor of 0.1 is stored in 8 bits as the binary number 0.000110012.

The missile’s internal computer clock shows 200 tenths of a second. Convert this to seconds using your result from Part (i) of this question. Do not round your answer. The missile guidance system now records that it has travelled for this number of seconds.

Answers

Using proportions, it is found that the missile's internal computer clock is of 20 seconds.

According to the information given, this question can be solved by proportions, using a rule of three.

50 tenths of a second is equivalent to 5 seconds, and we want to find the equivalent to 200 tenths of a second, thus, the rule of three is:

50 tenths - 5 seconds

200 tenths - x seconds

Applying cross multiplication:

[tex]50x = 5(200)[/tex]

[tex]50x = 1000[/tex]

[tex]x = \frac{1000}{50}[/tex]

[tex]x = 20[/tex]

The missile's internal computer clock is of 20 seconds.

A similar problem is given at https://brainly.com/question/24372153

Howard's stew recipe makes 6 servings and uses 2 carrots and 3 ears of corn. Drag carrots and corn into the box to show how many Howard needs for 12 servings.

Answers

Answer: 4 carrots and 6 ears of corns

Step-by-step explanation:

Howard needs 4 carrots and 6 ears of corn for 12 servings of stew.

How many carrots and ears of corn does Howard need for 12 servings of stew?

To get how many carrots and ears of corn Howard needs for 12 servings of stew, we can set up a proportion based on the number of servings.

Let x be the number of carrots

Let y be the number of ears of corn needed for 12 servings.

Proportion:

6 servings of stew need 2 carrots and 3 ears of corn

12 servings of stew need x carrots and y ears of corn

(2 carrots) / (6 servings) = (x carrots) / (12 servings)

(3 ears of corn) / (6 servings) = (y ears of corn) / (12 servings)

2 * 12 = 6 * x

3 * 12 = 6 * y

24 = 6x

36 = 6y

Solve for x and y:

x = 24 / 6

x = 4

y = 36 / 6

y = 6.

Read more about Expression

brainly.com/question/1859113

#SPJ3

2 raised to power x+1=1​

Answers

Answer:

-1

Step-by-step explanation:

As you know every number raised to the power of zero is equal to one.

and here we have

[tex]2^{x+1} = 1[/tex]

[tex]2^{0} = 1[/tex]

[tex]2^{0} = 2 {}^{x + 1}[/tex]

[tex]x + 1 = 0[/tex]

[tex]x = - 1[/tex]

Are the following two figures similar or congruent?
L'
10
KO
8
4
-
Р
-2
-2
2
2
A 6
10 12

Answers

Where’s the picture? Of the question

NO LINKS OR ASSESSMENT!!!

Part 2: Domain and Range of Graphs​

Answers

Domain is the set of input valuesRange is the set of output valueFunction is passes the vertical line test#2

Domain:

- 2 ≤ x < 2 or x∈ [-2, 2)

Range:

-4 ≤ y < 0 or y ∈ (-4, 0]

Function:

YES - passes the vertical line test#4

Domain:

- 0 ≤ x < 4 or x∈ [0, 4)

Range:

-2 < y < 2 or y ∈ (2, 2)

Function:

N0- doesn't pass the vertical line test#6

Domain:

- 4 < x < 4 or x∈ (-4, 4)

Range:

-4 < y ≤ -2 or y ∈ (-4, -2]

Function:

YES - passes the vertical line test

If cost is represented by C(x)=1.8x+10,000 and revenues are represented by R(x)=8.5x, which equation could be used to find the break-even point?

Answers

Answer:

8.5x=1.8x+10,000

Step-by-step explanation:

The break-even point is the point where the expressions for the functions have the same value: 8.5x=1.8x+10,000.

******Please help me help help me please help me*****

Answers

I don’t onow it’s probably 69.3939339393993

A bag contains 9 red balls numbered 1, 2, 3, 4, 5, 6, 7, 8, 9 and 6 white balls numbered 10, 11, 12, 13, 14, 15. One ball is drawn from the bag. What is the probability that the ball is red, given that the ball is odd-numbered? (Enter your probability as a fraction.)

Answers

Answer: 5/8

Step-by-step explanation: There are 5 odd-numbered balls in the red numbered balls. There are 3 odd-numbered balls in the white numbered balls. So the probability of choosing a red odd numbered ball out of the set of all odd numbered balls is 5/8! Hope this helps!

Other Questions
Show that 2 is a zero of multiplicity 3 of the polynomial f(x)=2x^5-7x4-9x^3+62x^2-76x+24 and express the polynomial as a product of linear functions. Which type of reaction has the general formula of AB CD AD CB? synthesis decomposition oxidation replacement please someone help me. Im giving brainliest! 1. Why do we wear clothes? 2. How did people cover their bodies before invention of clothes? 3. What is the difference between fibre and yarn? 4. Name two fibres that are used to make clothes, and two materials tha used to make clothes. 5. List two uses of jute. 6. Which properties of synthetic fibres make them useful? 7. In most parts of India pure nylon or polyester clothes are not worn. 8. Why does jute grow so well in the Sunderbans area? which ancient culture was the first to cultivate beauty in an extravagant fashion? a) Fill in the blanks to show what the next three numbers are in the following sequence.28 , 37 , 46 , 55 , 64 , , , b) Is the sequence arithmetic, geometric or neither? Match the side lengths of ABCDE and the angle measures of FGHIJ. A meteorological office keeps records of the annual precipitation in different cities. For one city, the mean annual precipitation is 34.3 and the standard deviation of theannual precipitation amounts is 4.7. Let x represent the annual precipitation in that city. Determine the z-score for an annual precipitation in that city of 32.3 inchesRound to two decimal places.A. -0.43B. 0.8c. 14.17D. 0.43 Write the formula of the first five members in the series of alkynes Help plssssssssssssss Order the fractions from least to greatest For acute triangle XYZ below, can you find the tangent ratio of angle r? evaluate the expression with steps please the cells grow by getting larger, not increasing in number. true or false? Select the equivalent expression (a 523 ) 3 =? How can psychology have an effect on society? Write a poem about something special that happend to you! The previous balance shown on Hector Cortezs savings account statement is $706.31. He receives $4.39 in interest, makes $876.46 in deposits, and has $200.06 in withdrawals. What is his new balance? Mirrors on cars exist to answer me plz read the passage carefully and answer the question at the end.