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Nookie1986 [14]
3 years ago
7

The calculation of the mean of a population and the expected value of the probability mass function of a Random Variable (RV) ar

e quite similar. Consider a probability mass function that contains 4 unique Random Variables: 100, 200, 300, 400. If the expected value of the RV can be calculated by simply taking the average of the RVs, what can be said about the corresponding probabilities of each of the 4 RVs
Mathematics
1 answer:
Zanzabum3 years ago
3 0

Answer: Hello the options related to your question is missing attached below are the missing options.

A.) The probabilities of the RVs may be equal

B.) The sum of the probabilities of the RVs exceed 1

C.) This is an impossible occurrence

D.) The probabilities of the RVs must be equal

E.) None of the above

answer:

The probabilities of the RVs may be equal ( A )

Step-by-step explanation:

Given that the value of the  population mean and the value of probability mass function of a set of random variables are similar

For the Random Variables : 100,200,300,400

The Probability mass function of RV = ( 100 + 200 + 300 + 400 ) / 4

Hence  The probabilities of the RVs may be equal

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HELP PLEASE I NEED HELp
lidiya [134]

Answer:

Step-by-step explanation:

GH bisects ∠FGI

∠HGI = ∠HGF

4x - 14 = 3x - 3

4x = 3x - 3 + 14    {Add 14 to both sides}

4x = 3x + 11             {Subtract 3x from both sides}

4x - 3x = 11

x = 11

∠HGI = 4x - 14

         = 4*11 - 14

         = 44 - 14

         = 30°

∠FGI = 30 + 30

        = 60°

4 0
2 years ago
How can you find the value of n in this equation?
lesya692 [45]
The answer would be n=37 because…
40+n=77
subtract 40 on both sides, cancelling it out on the left side and 77-40=37 so:
n=37
4 0
2 years ago
Read 2 more answers
A self-selecting sample is Group of answer choices a good indicator of sample quality. not likely to be biased. guaranteed to be
Cloud [144]

A self-selecting sample is not likely to be representative. The reason why a self-selecting sample is not likely representative would be discussed below.

<h3>What is self-selecting sample?</h3>

A self-selection sample is determined by the individual that are used as data for the research. They are the ones that will determine the inclusion or exclusion of the sample units by either affirming or declining to participate.

The reason self-selecting sample is not likely to be representative is that it is too bias as the individuals that volunteered may not be able to satisfy the goals of the research.

Therefore, a self-selecting sample is not likely to be representative.

Learn more about research here:

brainly.com/question/26436072

5 0
2 years ago
What is the sum of the polynomials 5 a squared b plus 2a squared b squared 5 a2b+2a2b2 and negative ab squared plus a squared b
cupoosta [38]

The first polynomial is 5a^2b+2a^2b^2

The other polynomial is -ab^2+a^2b^2

Now to add polynomials we must add or subtract like terms

Adding them we have

(5a^2b+2a^2b^2)+(-ab^2+a^2b^2)

5a^2b+2a^2b^2-ab^2+a^2b^2

Here 2a^2b^2 $ and $ a^2b^2 $ are like terms $

So we add then

We get

5a^2b+3a^2b^2-ab^2

The addition of the polynomial is 5a^2b+3a^2b^2-ab^2


3 0
3 years ago
A rectangular sandbox cover will be built to protect an area of 72 square meters which are possible dimensions of the cover?chec
nata0808 [166]

Answer:

1st, 2nd, 4th and 5th

Step-by-step explanation:

area of rectangle

= l * b = 72sq m^2

let length (l) = 2m and

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Similarly,

8 * 9 = 72

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6 * 12 = 72

thus, the possible dimensions are 1st, 2nd, 4th and 5th

5 0
3 years ago
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