1 you are offered a gamble on the toss of a coin. if the coin shows tails, you lose $100. if the coin shows heads, you win $150. would you accept it?

Answers

Answer 1

1 you are offered a gamble on the toss of a coin. if the coin shows tails, you lose $100. if the coin shows heads, you win $150. Yes one can  accept it.

As per the given data:

If you toss the coin.

Coin shows tails [tex]$\rightarrow$[/tex] lose $ 100

Coin shows heads [tex]$\rightarrow$[/tex] win $ 150

We would consider expected gain for us in each scenario.

Since, the probability of head is,

[tex]P(H) = \frac{1}{2}[/tex]

The probability of Tail is,

[tex]P(T)=\frac{1}{2}[/tex]

Therefore, expected gain [tex]$=150 \times \frac{1}{2}+(-100) \times \frac{1}{2}$$$[/tex]

= 75 - 50

= $ 25

Since, gain is positive number of 25 .

We can say on an average we can gain some Profit.

Hence one would accept the offer.

For more questions on probability

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Related Questions

PLEASE HELP I WILL MARK YOU BAINLIEST AND SHOW YOUR WORK PLEASE



A school is raising money to build a new auditorium! It costs $6,500 to hire a worker to put in new floors in the auditorium. The other information about the cost of the project is below:

The teachers have already raised $500.

There are twelve teachers trying to help the school raise money and each teacher raises the same amount of money.

The teachers organize a car wash and earn $10 for each car they wash.


How many cars must each teacher wash to raise enough money to complete the new auditorium?

Answers

Answer:

54

Step-by-step explanation:

6500/12=541....

540/10

54

Bounty paper towels cost $8.49 for 8 rolls. Brawny paper towels cost $13.99 for 12 rolls. Which is the better buy?

Answers

Answer:

Bounty Paper Towels is the better deal

Step-by-step explanation:

8.49 divided by 8 = 1.06125 ($1.01)

13.99 divided by 12 = ~1.16583 ($1.16)

The Brawny is more expensive per roll, so Bounty would be a better deal

A triangle has one side that is 5 inches long and another that is 7 inches long. How many different lengths, in inches,are possible for the last side of the triangle?

Answers

Answer:

2 < c < 12

Step-by-step explanation:

Let the last side of the triangle = c

The sum of any two sides must be greater than the third side. Let's say we have triangle ABC, where a = 5 inches and b = 7 inches

a + b > c (1)

a + c > b (2)

b + c > a (3)

From (1);

a + b > c

7 + 5 > c

c < 12

From (2):

a + c > b

7 + c > 5

7 - 5 < c

c > 2

From (3):

b + c > a

5 + c > 7

c > 7 - 5

c > 2

So the possible lengths of c are: 2 < c < 12

find the x-intercepts of y= x^2+4x+8 using the quadratic formula.

Answers

Answer: To find the x-intercept, substitute in

0

for

y

and solve for

x

. To find the y-intercept, substitute in

0

for

x

and solve for

y

.

x-intercept(s):

(

2

+

2

3

,

0

)

,

(

2

2

3

,

0

)

y-intercept(s):

(

0

,

8

)

Step-by-step explanation: To find the x-intercept, substitute in

0

for

y

and solve for

x

. To find the y-intercept, substitute in

0

for

x

and solve for

y

.

x-intercept(s):

(

2

+

2

3

,

0

)

,

(

2

2

3

,

0

)

y-intercept(s):

(

0

,

8

)

what is the discriminant of the polynomial below 2x^2+5x-8
A. 89
B. -39
C. 31
D. -59

Answers

Answer:

Hi! The answer to your question is A. 89

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

☆Brainliest is greatly appreciated!☆

Hope this helps!!

- Brooklynn Deka

What is the distance between points A (3,-5) and B(-8,2) on the coordinate plane?

Answers

Answer:

[tex]\sqrt{-51}[/tex]

or aprox 7.14

hopefully this helps

How can I Solve this problem Solve. for g.
18 = 3g

g

Answers

Answer:

[tex]g = 6[/tex]

Step-by-step explanation:

1) Diving both sides by 3.

[tex] \frac{18}{3} = g[/tex]

2) Simplify 18/3 to 6.

[tex]6 = g[/tex]

3) Switch sides.

[tex]g = 6[/tex]

Therefor, the answer is g = 6.

18=3g
divide both sides by 3
equals 6=1g
1 g is the same as g so the answer is 6=g

What are the zeros of f(x) = x2 + 3x - 10?
A. X= -5 and x = 2
B. x= -5 and x = -2
C. X= 5 and x = -2
D. x = 5 and x = 2

Answers

Answer:

(x+5) (x-2)

SO  -5 and 2 option A

Step-by-step explanation:

factor it. and set equal to zero.

Please helppp


The function ƒ(x) = 2x − 1 indicates:
a downward shift of 1 unit.
a shift of 1 unit to the left.
an upward shift of 1 unit.
None of these choices are correct.

Answers

Answer:

It is a downward shift of one unit

need help
problem/question in image below ​

Answers

Answer:

Option A would be the correct answer

I don't have an explanation to type but you can trust me :)

Please mark as brainliest for further answers :)

Find the missing length. The triangles in each pair are similar.

Answers

Answer:

........................................

Find the total length of rope that is brought on the trip.
A. 25 3 4 yards
B. 29 3 4 yards
C. 33 3 4 yards
D. 37 3 4 yards

Answers

i have the quiz before and the answer is D: 37 3/4 yards

:)

what's the answer to this problem?
[tex]5x + 35 = 45[/tex]

Answers

Answer:

5x+35=45

5x=45-35

5x=10

x=2

Select the statement that describes this expression: 10 + fraction 1 over 4x (5 + 3) − 3. (2 points)


10 more than fraction 1 over 4 of the sum of 5 and 3, then subtract 3

fraction 1 over 4 of 10 times the sum of 5 and 3, minus 3

3 more than 3 plus 5 multiplied by fraction 1 over 4, then add 10

10 times fraction 1 over 4 plus 3 and 5, minus 3

Answers

Answer:

10 more than fraction 1 over 4 of the sum of 5 and 3, then subtract 3

plz mark as brainliest

hope it helps

Answer:10 more than fraction 1 over 4 of the sum of 5 and 3, then subtract 2

Step-by-step explanation:

prove this qsn plzz and fast​

Answers

Step-by-step explanation:

Let use the first of the medians. Medians AX.

Median AX is the midpoint of BC so our median is

[tex] \frac{1}{2} (b + c) - a[/tex]

Let use the second median.

Median BY is the midpoint of AC so our median is

[tex] \frac{1}{2} (a + c) - b[/tex]

Let use the final median.

Median CZ is the midpoint of AB so our median is

[tex] \frac{1}{2} (a + b) - c[/tex]

Now add all them up

[tex] \frac{1}{2} (b + c ) - a + \frac{1}{2} (a + c) - b + \frac{1}{2} (a + b) - c[/tex]

[tex] \frac{1}{2} b + \frac{1}{2} c - a + \frac{1}{2} a + \frac{1}{2} c - b + \frac{1}{2}a + \frac{1}{2} b - c[/tex]

Add like terms.

[tex] \frac{1}{2} b + \frac{1}{2} b - b = 0[/tex]

[tex] \frac{1}{2} a + \frac{1}{2} a - a = 0[/tex]

[tex] \frac{1}{2} c + \frac{1}{2} c - c = 0[/tex]

[tex]0 + 0 + 0 = 0[/tex]

So

AX+BY+CZ=0

I can choose and create diagrams to help me compare two situations.



SOMEONE PLEASE HELP MY TEACHER WANTS TO PUT ME IN SUMMER SCHOOL SO I NEED TO GET MY HW DONE ASAP SO PLEASE REPLY WITH AN ANSWER PLSS!!!

Answers

Answer:

blurred poate

Step-by-step explanation:

blurred po ate

Question 4 (1 point)
The image shows quadrilateral ABCD.
Find the area of ABCD. Explain or show your reasoning.

Answers

Answer:

25

Step-by-step explanation:

Using the Pythagorean Theorem, we can find the side length of each side.

a^2 + b^2 = c^2

=> 3^2 + 4^2 = x^2

=> 9 + 16 = x^2

=> x = 5

By applying the same formula for each side, we will get that each side is 5 units.

So, the area = 5*5 = 25

The quadrilateral is a square and the area of square is 25 square units.

What is a quadrilateral?

A quadrilateral is 2-dimensional geometric closed shape and a type of polygon that has four sides, four vertices and four angles. It is formed by joining four non-collinear points.

For the given situation,

The quadrilateral ABCD has points A(0,4), B(3,0), C(7,3), D(4,7).

The distance these points can be found by

[tex]d=\sqrt{(x2-x1)^{2}+(y2-y1)^{2} }[/tex]

AB = [tex]d=\sqrt{(3-0)^{2}+(0-4)^{2} }[/tex]

⇒ [tex]AB = \sqrt{3^{2}+4^{2} }[/tex]

⇒ [tex]AB=\sqrt{9+16}[/tex]

⇒ [tex]AB=\sqrt{25}[/tex]

⇒ [tex]AB=5[/tex]

BC = [tex]d=\sqrt{(7-3)^{2}+(3-0)^{2} }[/tex]

⇒ [tex]BC=\sqrt{4^{2}+3^{2} }[/tex]

⇒ [tex]BC=5[/tex]

CD = [tex]d=\sqrt{(4-7)^{2}+(7-3)^{2} }[/tex]

⇒ [tex]CD=\sqrt{(-3)^{2} +4^{2} }[/tex]

⇒ [tex]CD=5[/tex]

DA = [tex]d=\sqrt{(4-0)^{2}+(7-4)^{2} }[/tex]

⇒ [tex]DA=\sqrt{4^{2}+3^{2} }[/tex]

⇒ [tex]DA=5[/tex]

Since AB = BC = CD = DA, the quadrilateral is a square.

The formula of area of quadrilateral is

[tex]A=(side)^{2}[/tex]

⇒ [tex]A=5^{2}[/tex]

⇒ [tex]A=25[/tex]

Hence  we can conclude that the quadrilateral is a square and the area of square is 25 square units.

Learn more about quadrilaterals here

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What is the slope, m, of the line through (-9, -17) and (-9, 12)?

Express the slope as a fraction in lowest terms.

If the slope is undefined, enter undefined into the text box.

m =

Answers

Answer:

m = undefined

Step-by-step explanation:

(-9, -17) and (-9, 12)

Slope:

m=(y2-y1)/(x2-x1)

m=(12+17)/(-9+9)

m=29/0

Since 0 is the denominator, the slope is undefined

Alternate interior angles are always congruent. TRUE OR FALSE

Answers

Answer:

false

Step-by-step explanation:

Answer:

False.

Step-by-step explanation:

Alternate interior angles are congruent only when the two lines intercepted are parallel.

Which expression is equivalent to (3x2+3x−3)−(6x2−4x−2)?

A
−3x2+7x−1

B
−3x2−x−5

C
−3x2+7x−5

D
−3x2−x−1

Answers

Answer:

A. -3x^2+7x-1

Step-by-step explanation:

(3x^2+3x-3)-(6x^2-4x-2)

3x^2+3x-3-6x^2+4x+2

-3x^2+7x-1

What are the roots of this equation x^2-2x+3=0

Answers

Step-by-step explanation:

hope it's help.

see answer attached

How may candies did Thad get all together? Pls help quickly

Answers

Answer:

all together there is 141 candies in all

8.8C
What value of x makes this equation true?
12x - 15 = 6 - 3x

Answers

I would say x = 7/5 or x = 1.4 in decimal form

I hope this is helpful :)

Which of the following functions translates the graph of the parent
function f(t) = x² horizontally left 6 units?

Answers

Answer:

shawty us bad with the scratchers in


A quality control expert at a drink bottling factory took a random sample of 9 bottles from a
production run of over 1,000 bottles and measured the amount of liquid in each bottle in the
sample. The sample data were roughly symmetric with a mean of 505 mL and a standard
deviation of 6 mL.
Based on this sample, which of the following is a 95% confidence interval for the mean
amount of liquid per bottle (in mL) in this production run?

Answers

Answer: It's in the screenshot

Step-by-step explanation:

Using the t-distribution, as we have the standard deviation for the sample, it is found that the 95% confidence interval for the mean amount of liquid per bottle (in mL) in this production run is (500.39, 509.61).

What is a t-distribution confidence interval?

The confidence interval is:

[tex]\overline{x} \pm t\frac{s}{\sqrt{n}}[/tex]

In which:

[tex]\overline{x}[/tex] is the sample mean.t is the critical value.n is the sample size.s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a two-tailed 95% confidence interval, with 9 - 1 = 8 df, is t = 2.306.

The other parameters are given as follows:

[tex]\overline{x} = 505, s = 6, n = 9[/tex]

Hence:

[tex]\overline{x} - t\frac{s}{\sqrt{n}} = 505 - 2.306\frac{6}{\sqrt{9}} = 500.39[/tex]

[tex]\overline{x} + t\frac{s}{\sqrt{n}} = 505 + 2.306\frac{6}{\sqrt{9}} = 509.61[/tex]

The 95% confidence interval for the mean amount of liquid per bottle (in mL) in this production run is (500.39, 509.61).

More can be learned about the t-distribution at https://brainly.com/question/16162795

Karolyn puts 4,500 into a life insurance policy that pays 7.5% annual interest. If no additional investment is made into the policy how much accumulated interest should Karolyn expect at the end of 10 years?

Answers

Answer: $‭4,774.64‬

Step-by-step explanation:

The amount after 10 years assuming 7.5% compound interest is:

= Amount * ( 1 + rate) ^ no. of years

= 4,500 * ( 1 + 7.5%)¹⁰

= $9,274.64

The accumulated interest is:

= Amount after 10 years - Present amount

= 9,274.64 - 4,500

= $‭4,774.64‬

please help!!No links

Answers

X=12 do you need an explanation?

20) If the area of a rectangular playground is
p^2 -6p - 7 square feet, what is the perimeter of the
playground?

Answers

Answer:

Explanation:

Write an equation to solve the problem.

Area of rectangle = L(w)

Assuming that the width measures x meters, the length measures x + 5 meters.

500 = x(x + 5)

500 =

x

2

+ 5x

0 =

x

2

+ 5x - 500

As you may already know, a trinomial of the form

a

x

2

+ bx + c, a = 1, you must find 2 numbers that multiply to c and that add to b. Two numbers that multiply to -500 and add to +5 are +25 and -20

0 = (x + 25)(x - 20)

x = -25 and 20

Since a negative length is impossible, the width mesures 20 meters and the length measures 25 meters.

Practice exercises:

A rectangle has a perimeter of 90 meters. Find the maximum area.

The area of a right triangle is 120

m

2

. The base measures half the sum of the height and one. Find the perimeter.

Find the area and perimeter of a right triangle the has a height that is 2 more than the double of the width and that has a hypotenuse that measures

68

meters.

Good luck!

Step-by-step explanation:

The dollar store buys a hat for $0.80. Then they mark up the price by 20%.
How much will they sell the hat for?

Answers

Answer:

$0.96

Step-by-step explanation:

20% of 0.80 is 0.16

0.80 + 0.16 = 0.96

Answer:

$0.96

Step-by-step explanation:

Multiply 0.80 times 0.2

0.80 x 0.2=0.16

Then add up 0.16 and 0.80 to get your answer

0.80 + 0.16=0.96

Hope it helps

Find the value of a. Round your answer to the nearest tenth.

Answers

Answer:

Polly do you know the formula for law of Cosines?  

find it if  you don't

Step-by-step explanation:

a = sqrt( b^2 +c^2 - 2bcCos(A) )

a = sqrt( 100 + 62.41 -34.197)

a = sqrt(128.213)

a = 11.323

a = 11.3  ( to the nearest tenth )

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