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zepelin [54]
3 years ago
6

What is the expected value for the binomial

Mathematics
1 answer:
Usimov [2.4K]3 years ago
3 0
<h3>Answer</h3>

999.224

Step-by-step explanation:

Expected value = Summation of (x•px)

px is addressed as pdf (probability distribution function)

x px. x•px

1. 1/3125. 1/3125

20. 4/625. 16/125

160. 32/625. 1024/125

640. 128/625. 16384/125

1280. 256/625 65536/125

1024. 1024/3125. 335.544

total:. 1. 999.224

taking my pdf as x/3125

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Nikki packed unit cubes into a prism, as shown. Which statement about the volume of the box is true?
elena-14-01-66 [18.8K]

See the explanation

<h2>Explanation:</h2>

Hello, recall that you need to write complete questions in order to get exact answers. Here we have a missing diagram so I can help you in a general way. A prism is a three dimensional shape that has two identical ends (flat faces

) and the same cross section all along its length. A cube is a special type of prism having six identical square sides. So the volume of a prism given the length of a side as s is:

V=s^3

For example, suppose we have a box formed by unit cubes as indicated in the figure below, so the length of one side of the blue box will be:

s=1+1+1+1+1+1+1+1=8units

So the volume of the blue box is:

V=8^3 \\ \\ V=512units^3

<h2>Learn more:</h2>

Cube: brainly.com/question/12539359

#LearnWithBrainly

3 0
3 years ago
If Aldo puts 400 into a savings account that paid an interest rate of 5.4 percent What was the total amount in his account at th
Ne4ueva [31]

Answer:

\$421.60

Step-by-step explanation:

we know that

The simple interest formula is equal to

A=P(1+rt)

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=1\ year\\ P=\$400\\ A=?\\r=5.4\%=5.4/100=0.054

substitute in the formula above

A=400(1+0.054*1)

A=400(1.054)

A=\$421.60

Remember that Interest is equal to

I=A-P

I=\$421.60-\$400=\$21.60

5 0
3 years ago
Find the volume of this rectangular pyramid.
Ivahew [28]
Volume is just length x width x height. 5 x 6 x 7 is 210. 210cm
3 0
2 years ago
Please simplify this ITS URGENT !!
frutty [35]

Answer:

5 {x}^{2}  - 4x -  3

Step-by-step explanation:

(8 {x}^{2}  - 5x + 1) - (3 {x}^{2}  - x + 4) \\  = 8 {x}^{2}  - 5x + 1 -  3{x}^{2}  + x - 4 \\  = 5 {x}^{2}  - 4x - 3

5 0
3 years ago
Elaine is making a flower garden with rows of flowers. The garden is 2020 yards long. She wants a total of 77 rows of flowers th
aleksandrvk [35]
Wouldn't she divide 2020 and 77?
 
3 0
2 years ago
Read 2 more answers
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