You and a friend are playing a game of chance. Every time you roll (using a fair die) a 1, 2, 3, or 4, you are successful, and your friend will pay you $1. Every time you roll a 5 or 6, you must pay your friend $2. If 65% of your rolls are successful and 35% of your rolls are unsuccessful, how much money do you expect to have won/owe by the end of the game?

You owe 41 cents

You have won 5 cents

You owe 5 cents

You have won 41 cents

Answers

Answer 1

Answer:

you owe $5

Step-by-step explanation:

65% wins means $65

35% losses means -$70

Answer 2

Answer:

You owe 5 cents.

Step-by-step explanation:

(the amount of money won)(the number of successful rolls)+(the amount of money lost)(the number of unsuccessful rolls)=expected value

65% of rolls are successful which means that  13/20 of the rolls are successful (simply convert to a fraction).

35% of the rolls are unsuccessful which means that 7/20 of the rolls are unsuccessful.

Using the equation above we can use,

(1)(13/20)+(-2)(7/20)

to find the expected value.

(1)(13/20)+(-2)(7/20)=0.05


Related Questions

Ejercicio1:
Una tienda automotriz coloca los precios de los autos sin incluir el IGV. Si en un modelo de auto se indica 15000 dólares. ¿Cuál es el precio del auto incluido el IGV de 18%?
ayuda porfa

Answers

Answer:

Cost of car including VAT = $17,700

Step-by-step explanation:

Given:

Cost of car without VAT = $15,000

Rate of VAT = 18%

Find:

Cost of car including VAT

Computation:

Cost of VAT = Cost of car without VAT x Rate of VAT

Cost of VAT = 15,000 x 18%

Cost of VAT =  15,000 x 18

Cost of VAT = $2,700

Cost of car including VAT = Cost of car without VAT + Cost of VAT

Cost of car including VAT = 15.000 + 2700

Cost of car including VAT = $17,700

i’ll give brainliest please help!

Answers

Answer:

ummm they have biography for them but i don't know they full answer

Step-by-step explanation:

Help ASAP
2. Use the image to answer the questions.
(a) What is the center and the radius of the circle?
(b) What are the equations of the circle in graphing form and in general form? Show your work

Answers

Answer:

Step-by-step explanation:

The diameter of a circle is 10ft. What’s its area and round to the nearest tenth

Answers

Answer:

A = 78.5 ft

Step-by-step explanation:

D=10ft

R=D/2

R=5ft

A=πr²

A=π5²

A=π25

A=78.53982

A=78.5ft

Given that A = (9,9,2), B = (1,3,5) and C = (5,6,4), find the vector equation of the line through A and B

Answers

Answer:

Equation = 9i + 9j + 2k - λ ( 8i + 6j - 3k)

Step-by-step explanation:

Vector equation of a line passing through two points A & B is : r = a + λ(b - a)

Given A = (9,9,2) ; B = (1,3,5)

Equation of line : r = 9i + 9j + 2k + λ [ (1-9) i + (3-9) j + (5-2) k ]

= 9i + 9j + 2k + λ ( -8i + -6j + 3k)

= 9i + 9j + 2k - λ ( 8i + 6j - 3k)

HELP ME PLEASE DO THE ONE I ASK THE QUESTION IS THERE WITH THE PIC OF THE SQUARE!!!!!!!!!!!!!!!


I really needed help ASAP​

Answers

Answer:

There is no no pic of a square

Step-by-step explanation:

Help Fast Show WORK and. NO links
5f = -75 check your solutio\

Answers

Answer:

f= -15

Step-by-step explanation:

u just have to divide

-75/5= -15  so f equal -15

Answer:

F=-15

Step-by-step explanation:

You want to get f by it’s self so to do that you would have to divide. So you would divide 5 by -75 to get -15 ( it’s a negative because a negative number divided by a positive number is a negative number). To check your math you would take 5 and multiply by -15 and that equals -75 (a negative number times a positive number is a negative number)

Solve for x. Express your answer as an integer or integers or in simple radical form .

Answers

Answer:

Below in bold.

Step-by-step explanation:

- 5 - x^2 = -10

-x^2 = -10 + 5

-x^2 = -5

Divide through by -1:

x^2 = 5

x = -√5, √5.

I really don’t get it

Answers

you just add 8 + 8 + 8 it equals 24. rounded it will be 20

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im pretty sure thats how you do it if not sorry

The line passing through the points (-3, 4) and (x, 2) is
parallel to a line that has a slope of - 2/9 What is the value of x?

Answers

Answer:

x = 6

Step-by-step explanation:

I had this question on a test.

Can anybody do these for me hurry ?

Answers

Answer:

- Mode-The most repetitive number.

- Median:The number in the MIDDLE when they are IN ORDER.

- Mean- The AVERAGE OF ALL NUMBERS: You add up all the numbers then you divide it by the TOTAL NUMBER of NUMBERS.

- Range - THE BIGGEST minus the Smallest.

Step-by-step explanation:

;)

Answer:

mean: average of all the numbers, so add all numbers, divide by the amount of numbers you added

median: sort all the numbers from least to greatest, then the middle is the answer, if there are 2 in the middle, both are the answer

mode: the number that appeared most

range: the largest number minus the smallest number

Lin runs 8 laps around a track in 10 minutes.

Type the correct answer in each box below.

a. How many minutes per lap is that?
minutes

b. How many laps per minute is that?
laps

c. If Lin runs 18 laps at the same rate, how long does it take her?
minutes

Answers

A) 1.25 minutes per lap- divide 10 by 8
B)0.8 laps or 4/5 per minutes- divide 8 by 10
C) 22.5 minutes- multiply 18*1.25
Those are three nest answers i can give, i’m not sure

[7.EE.B.4B] - Aaron takes a cab home from the airport. The cab charges an
initial fee of $2.25 and another $1.50 for every mile they travel. Write an
inequality that could represent the distance they could go if Marvin has
$25.50. Use the variable x. *

Answers

y= 1.50x+ 2.25
the x would equal 15.5

will mark brainlyist if you give the right answer!!

Answers

Looks like it would be 120 because the side that’s not labeled would be 40. Then there is a square in the middle and squares have the same side lengths.

Which fraction is equivalent to -(7/8)

1. -7/8
2. -7/-8
3. -(-7/8)
4. -(7/-8)

Answers

Answer:

A. The others are equivalent to 7/8

Estimate the perimeter of the figure
The perimeter is about ____ units.

Answers

Answer:

18

Step-by-step explanation:

Do it by count how many side are there by the squares

Answer:

19

Step-by-step explanation

right on edge 2021

Multiply. Write your answer in simplest form. 3/8 x 5/7​

Answers

Answer:

3/8*5/7=15/56

bru you just times the too numbers then you divide the answer by 2 then you times that by 4 then that your answer BIG BRAIN 169420iq your welcome

Answers

Answer: SHEEEESHOOOOOO yesssirrrr big brainnnnnnn :clap clap:

NO SCAM. PLEASE SHOW WORK. WILL GIVE BRAINLY TO CORRECT ANSWER.

Answers

Answer:

[tex]140[/tex]

Step-by-step explanation:

A regular polygon is a shape with equal sides and angles. Because of this, we can write the following equation to set two sides equal to each other:

[tex]3a+b+3=2a+2b+6[/tex]

Solving, we will get a in terms of b:

[tex]3a=2a+b+3,\\a=b+3[/tex]

Now we can substitute a for (b+3) into our equation:

[tex]5a-2b+1=2a+2b+6,\\5(b+3)-2b+1=2(b+3)+2b+6,\\3b+16=4b+12,\\-b=-4,\\b=\boxed{4}[/tex]

Therefore, the length of each side of this polygon is [tex]5(4+3)-2(4)+1=28[/tex].

Since the perimeter of the polygon consists of all five sides, the perimeter is:

[tex]p=28\cdot 5 =\boxed{140}[/tex]

The answer is 140
Set the 2 sides lengths equal to each other. Solve for the variables. Then add all sides together, plugging in the values of the variables. The bottom side is the same as the 2 top sides (bottom side X 3)

Alyssa is getting gas for her car. Her car's 15-gallon tank has 15 of a tank of gas left. If gas costs $2.699 per gallon, how much will she pay for gas, rounded to the nearest cent?

Answers

Answer: $32.39

Step-by-step explanation:

The car's tank has a capacity of 15 gallons and has only 1/5 of a tank left which means that the quantity left is:

= 1/5 * 15

= 3 gallons

If Ayssa is going to fill up the tank, the number of gallons needed is:

= 15 - 3

= 12 gallons

Gas is $2.699 per gallon so cost is:

= 12 * 2.699

= $32.39

What is the difference between -1.84 and -(4.25)

Answers

Answer:

2.41

Step-by-step explanation:

Tom's coach keeps track of the number of plays that Tom carries the ball and how many yards he gains. Select all the statements about independent and dependent variables that are true.

Answers

Answer:

The dependent variable is the number of plays he carries the ball.

The independent variable is the number of touchdowns he scores.

The dependent variable is the number of yards he gains.

Step-by-step explanation:

Tom's coach keeps track of the number of plays that Tom carries the ball and how many yards he gains. Select all the statements about independent and dependent variables that are true.

The dependent variable is the number of plays he carries the ball.

The independent variable is the number of plays he carries the ball.

The independent variable is the number of touchdowns he scores.

The dependent variable is the number of yards he gains.

The dependent variable is the number of touchdowns he scores.

y = kx

y = dependent variable. it is the variable that is explained by the dependent variable

x = is the variable that explains the dependent variable

Andre can run 2 1/2 miles in 3/4 hour. Find his average speed in miles per hour​

Answers

Answer:

3 1/3 miles per hour

Step-by-step explanation:

's' = average speed

(5/2 ÷ 3/4) = (s ÷1)

(5/2 ÷ 3/4) = 10/3

10/3 = s/1

cross-multiply:

3s = 10

s = 10/3

s = 3 1/3 miles per hour

What is the kinetic energy of a 500kg elevator that is moving at 16 m/s

Answers

Answer:

KE=4000J

Step-by-step explanation:

KE=1/2*mv²

KE=1/2×500×16²

KE=250×16²

KE=4000J

2 + 2 =?????????????????????????????????


BLAH

Answers

Answer:

4 lol

Step-by-step explanation:

free point

Answer:

answer: 2 + 2 = 4

Lol!!!!!!!

The model represents an inequality. What is the solution set for the inequality?
F). x ≤ -5
G). x ≤ 5
H). x ≤ 1
J). x ≤ -14​

Answers

Answer:

-5

Step-by-step explanation:

4x+12 is less than or equal to -8 so subtract 12 from -8 and get -20 so 4x is less than or equal to -20 then divide -20 by 4 and get -5

Can someone help me shot this problem

Answers

Answer:

A) sin θ = 3/5

B) tan θ = 3/4

C) csc θ = 5/3

D) sec θ = 5/4

E) cot θ = 4/3

Step-by-step explanation:

We are told that cos θ = 4/5

That θ is the acute angle of a right angle triangle.

To find the remaining trigonometric functions for angle θ, we need to find the 3rd side of the triangle.

Now, the identity cos θ means adjacent/hypotenuse.

Thus, adjacent side = 4

Hypotenuse = 5

Using pythagoras theorem, we can find the third side which is called opposite;

Opposite = √(5² - 4²)

Opposite = √(25 - 16)

Opposite = √9

Opposite = 3

A) sin θ

Trigonometric ratio for sin θ is opposite/hypotenuse. Thus;

sin θ = 3/5

B) tan θ

Trigonometric ratio for tan θ is opposite/adjacent. Thus;

tan θ = 3/4

C) csc θ

Trigonometric ratio for csc θ is 1/sin θ. Thus;

csc θ = 1/(3/5)

csc θ = 5/3

D) sec θ

Trigonometric ratio for sec θ is 1/cos θ. Thus;

sec θ = 1/(4/5)

sec θ = 5/4

E) cot θ

Trigonometric ratio for cot θ is 1/tan θ. Thus;

cot θ = 1/(3/4)

cot θ = 4/3

A milk truck has a diameter of 10 and feet and a height of 50 feet. How much milk can the truck hold?

Answers

Answer:

1250(pi) ft^3

or

3926.99 ft^3

Step-by-step explanation:

[tex](\pi {5}^{2} ) \times 50[/tex]

you have to put feet cubed at the end for units

Maddy takes the bus to school from her house. She rides the bus 12 kilometers east
then turns north and goes 5 more kilometers. If she'd go the shortest distance, how
many kilometers would she save?
(Hint: Draw it out)

Answers

Answer:

She would save 4 kilometers

Step-by-step explanation:

Use pythagorean theorem

12² + 5² = 169

[tex] \sqrt{169} = 13[/tex]

17-13 = 4

What the measure of AB

Answers

Answer:

Since I don't know the accuracy of the diagram i would advise you to measure using a divider or a ruler.

Well ABC is a 90 degree angle, so maybe AB IS 80 and BC IS 10
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