Of students in the AP curriculum at a prep school, 40% take one AP exam, 45% take two AP exams, and the remaining 15% take 3 AP exams. The highly desirable score of 5 is hard to earn, and only 20% of these students will earn a 5 on any given exam they take. Assuming their results on each exam are independent, what is the probability a student in the AP curriculum will earn at least one 5

Answers

Answer 1

It should be noted that the probability that a student will earn at least one 5 will be 0.3152.

How to calculate the probability

Test P(x). P(at least one 5)

1. 0.4. 0.2

2. 0.45. 0.36

3. 0.15. 0.488

Therefore, the probability that a student in the AP curriculum will earn at least one 5 will be:

= (0.4 × 0.2) + (0.45 × 0.36) + (0.15 × 0.488)

= 0.3152

In conclusion, the correct option is 0.3152.

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Related Questions

Choose Yes or No to tell if the fraction 5 8 will make each equation true. 8 15 − □ = 3 7 Choose... □ − 5 16 = 5 8 Choose... 7 8 − 1 2 = □ Choose... 3 4 − 1 8 = □ Choose...

Answers

Answer:

no no no yes

Step-by-step explanation:

i got it on my test and i was correct

O S= 17
O S= 272
O S= 4
O S= 79

Help pleaseee

Answers

Answer: 17

Step-by-step explanation:

B/c corresponding parts of congruent figures are congruent,

4s = 68

s = 17

Answer:

17

Step-by-step explanation:

C = R

4s = 68

[tex]s = \frac{68}{4} [/tex]

s = 17

Rahmi bought 1 pair of jeans and 2 T-shirts. How much did rahmi spend? Write equations to solve. Use a letter to represent the unknown quantity

Answers

Answer:

1x + 2y = (The answer/money spent)

Step-by-step explanation:

in a survey of 200 workers, 130 drink coca-cola and 100 drink fanta. how many workers drink at least one of coca-cola and fanta.​

Answers

The number of workers that drink at least one of coca-cola and fanta is = 30.

Calculation using Venn diagram

The total number of workers under survey = 200

The number of workers that drink only coca cola = 130 - X

The number of workers that drink fanta = 100 - X

The number of workers that drank at least one drink = X

To calculate for x;

130 - X + X + 100 - X = 200

Being like terms together,

-X = 200 - 130 -100

-X = 200 - 230

-X = - 30

X = 30

Therefore, the number of workers that drink at least one of coca-cola and fanta is = 30

Learn more about Venn diagram here:

https://brainly.com/question/9384416

I need help please can’t find it

Answers

Answer:

Step-by-step explanation:

log(7)6+log(7)2^3

log(7)6+log(7)8

log(7)(8*6)

log(7)48 = > D is the correct answer.

RECRUITING Emily gets paid to recruit people to join an email list at work. If she signs up 5 friends and they all sign up 5 more friends, the function y = 5x represents the number of people on the email list after so many cycles. Select all the key features that apply to y = 5x.

Answers

The number of people on the email list after so many cycles is given by y = 5x.

Linear equation

A linear equation is in the form

y = mx + b

where y, x are variables, m is the rate of change and b is the y intercept.

Let y represent the number of people on the email list after x cycles. Hence, it is given by:

y = 5x

The number of people on the email list after so many cycles is given by y = 5x.

Find out more on Linear equation at: https://brainly.com/question/13763238

What are 3 ratio equivalent to 5/15

Answers

Answer:

1 : 3, 3 : 9, and 6 : 18

Step-by-step explanation:

Slope Intercept Form Calculator: Greater Than

Percentage Difference Calculator: Buoyancy C

Inch To Centimeter Calculator: Surface Area Of

Chemical Calculator: Error Function Calculation

Answer:

1 : 3, 2 : 6, and 3 : 9

Step-by-step explanation:

In the fraction 5/15, 5 is equivalent to one-third of 15. That means we need ratios with the second number being  3 times greater than the first. For example, 3 is 3  times greater than one, 6 is 3  times greater than 2, and 9 is  3  times greater than 3.

I don’t get this can someone pls help:

LCM of 28 and 8??

Answers

Answer:

LCM= 56

Step-by-step explanation:

Multiplies of 8- 8, 16, 24, 32, 40, 48, 56, 64, 72

Multiplies of 28- 28, 56, 84, 112

Then, you look at the numbers that are the same in both. In some cases, there will be more than one that shows up (but not in this case) and all you have to do is find the least common multiple or LCM.

Solve y^2= 49 , where y is a real number
Simplify your answer as much as possible

Answers

[tex] {y}^{2} = 49[/tex]

Move the square to the right-hand side and convert it to underoot

[tex]y = \sqrt{49} [/tex]

Calculate the root of 49

[tex]y = 7 \:or -7[/tex]

Answer:

y = +7 or -7

Step-by-step explanation:

y^2 = 49

square rooting both sides

y = √49

y = +7 or -7

Someone help me pls.

Answers

Answer:

Large bottle

Step-by-step explanation:

£1.92-£1.26

£0.66

Large bottle 1.92£-1.26£=0.66£

Hope it helped!!

The equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the United States from birth to 17 years, given the household’s annual income, x.

Approximately how much would it cost to raise a child from birth to 17 years in a household with an annual income of $64,000?
A )$209,619
B )$186,302
C $164,219
d) $99,200

Answers

Answer:

A) $209,619

Step-by-step explanation:

y = 1.55x + 110,419

y = 1.55(64,000) + 110,419

y = 99,200 + 110,419

y = 209,619

Answer:

A) $209,619

y = 1.55x + 110,419

y = 1.55 (64,000) + 110,419

y = 99,220 + 110,419

y = 209,619

Step-by-step explanation:

The answer is letter A.

If the circumference of a circle is 43.4 cm,
then what is the diameter? Use 3.1 for n.

Answers

Answer:

the diameter is 14cm

Step-by-step explanation:

to get the circumference of a circle you would need to times the diameter (d) by pi or in this case n which is 3.1

this result is 43.4cm

now to figure out the diameter we would have to reverse this so the equation would be

d=43.4/n

which is the same as d= 43.4/3.1

the result of this is d= 14

so the diameter is 14cm.

deserving of brainliest?

What is an equation of the line that passes through the points (-2, 7) and (1, -8)

Answers

1. using point-slope formula:

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

(-8-7)/(1-(-2))=

-15/3=

-5

The slope is -5

The equations will be:

y-7=-5(x+2)=

y=-5x-3

Explain how y=|x+3|-6 is translated from y=|x|

Answers

Answer:

go down 6 units

go left 3 units

Step-by-step explanation:

+3 inside the absolute value bar means go left

-6 mean moving down

if v varies directly as w and v=8, when w=1/2, find the equation that relates v and w

Answers

Answer:

v=16w

Step-by-step explanation:

v=16w

8=16(1/2)

8=8✔

If $12,000 is invested at 4.5% for 20 years, find the future value if the
Interest is compounded…
Annually 3a)28,940.57
Semiannually 3b)
Quarterly 3c)_________
Monthly 3d)29,456.60
Continuously 3e)_________

Answers

9262816279282628727277272

PLEASE HELP! I have a picture of the question below :)

Answers

3. ∠1+∠2=180° and ∠2+∠3=180°

4. they are supplementary

5. ∠1+∠2=180°=∠2+∠3

6. ∠1+∠2=180°=∠2+∠3

∠2 are same in both side so ∠1=180°-∠2 =∠3=180°-∠2

7.

PLS HELP ASAP

Erin recycles milk bottles, soda cans, and newspapers. If the following items are in the trash bin, what percent of the items can be recycled?

3 milk bottles, 1 banana peel, 6 newspapers, 3 soda cans, 7 apple cores

A. 60%
B. 12%
C. 45%
D. 100%

Answers

All I can say is it’s not B or C

The percentage of items that can be recycled is 12%

How many ways can a committee of 5 be selected from a club with 10 members?

Answers

Answer:

252

Step-by-step explanation:

I'm assuming the people are different, so it should be 10 choose 5, or 10!/(5!)(10-5)!, which leads to 3628800/14400, or 252.

CAN SOMEONE HELP ME WITH THIS?? ILL GIVE YOU BRAINLIEST

Answers

Answer:

24 units

Step-by-step explanation:

Note that BC is one side of the square. (Vertices are in order ABCD)

So, as a square has four equal sides, the perimeter is 4 times the length of BC.

We're given B is at (-2, 5) and C is at (4, 5). So, BC = 6 units.

So, the perimeter of ABCD is 6 * 4 = 24 units.

The area of the triangle is 2/25 and the height is 1/5ft, what is the length of the base?

Answers

4/5 or 0.8 is the length of base

expression: the product of 4 and n.

A. 4/n
B. 4 + n
C. 4 – n
D. 4n

Answers

Answer:

D

product of 4 and n is the same as 4× n

and it is equal to 4n

T minutes ,N people with the formula = t= 5n^2 +15
a)When there is four people what's the minutes
b) when the time is 2hours 20mins how many people

Answers

Answer:

a) n = 4 , t = ?

[tex]t = 5 {n}^{2} + 15 \\ \\ t = 5 {(4)}^{2} + 15 \\ \\ t = 5(16) + 15 \\ \\ t = 80 + 15 \\ \\ t = 95 \: min[/tex]

__o__o__

b) n = ? ,

t = 2hours 20mins ––> t = (2× 60) mins + 20 mins

t = 120 + 20 = 140 mins

so; time in the mins = 140 mins

[tex]t = 5 {n}^{2} + 15 \\ \\ 140 = 5 {n}^{2} + 15 \\ \\ 5 {n}^{2} = 140 - 15 \\ \\ 5 {n}^{2} = 125 \\ \\ {n}^{2} = \frac{125}{5} \\ \\ {n}^{2} = 25 \\ \\ n = 5[/tex]

so ; five people in 2hours 20mins

Use intercepts to graph the linear equation -2x+6y=18 .

Answers

Answer: (0,3) and (-9,0)
————————
-2(0) + 6y = 18
6y = 18
y = 3 so…(0,3)
————————
-2x + 6(0) = 18
-2x = 18
x = -9 so.. (-9,0)

Which graph represents the solution to the compound inequality?
-2x + 4 = 8 and -2x + 4 >-6

Answers

Answer:

The top one!

Step-by-step explanation:

From this picture that I sent, you can see that the red line would be solid because it is less than or greater than, which the blue one isn't solid because it is just greater than.  I felt like it would've been easier to explain it with an image than with words.

I can’t figure this out

Answers

Answer: 2.2= 11/5 or 1 1/5

S.p=208rs, profit percentage=4%. Find c.p

Answers

Given :

Selling price is Rs 208 .Profit percentage is 4% .

To Find :

The cost price .

Solution :

Let us suppose ,

→ CP = Rs x

Therefore the profit will be ,

→ Profit = SP - CP

→ Profit = 208 - x

Now we know that ,

→ Profit% = profit/CP * 100

Substituting the respective values ,

→ 4 = (208-x)/x * 100

→ 4 * x = (208- x)*100

→ 4x = 20800 - 100x

→ 100x + 4x = 20800

→ 104x = 20800

→ x = 20800/104

x = 200

Hence the cost price is Rs 200.

I hope this helps.

Refer to the attachment!

Can someone tell me the ans pls

Answers

Answer:

2 : 5

7

56/7 = 8

8x2= 16

8x5=40

40 + 16 = 56

Basel get $40.00

What’s the correct answer for this question?

Answers

Answer:

1. 6 pounds and 0 ounces

2. 344 minutes

3. 5.25 gallons

4. 504 hours

Step-by-step explanation:

1. 1 pound is equal to 16 ounces so you will divide 96 by 16 and you should get 6.

2. There are 60 minutes in a hour so you will multiply 5 by 60 to get 300 and 44 to 300 to get 344 minutes.

3. There are 16 cups in a gallon so you will divide 84 by 16 to get 5.25.

4. There are 24 hours in and 21 days in 3 weeks so you will multiply 24 times 21 and you will get 504.

Hope this helps!

The equation c= 25+200 can be used to find c

Answers

Answer:

225

Step-by-step explanation:

Answer: c=225
Explanation: 25+200=225
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