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kandiwilson165@gmail.com

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Question 1

Suppose a couple has two children, andXis a random variable that counts the number of girls. The probability distribution forXis shown in the plot.



What isμx, the expected number of girls, in this situation?


0.5


1.0


1.25


1.5



Question 2

Suppose an experiment consists of identical, independent, dichotomous trials (two possible outcomes denoted arbitrarily as “success” or “failure”) with a constant probability of success. A random variable is defined as the number of trials necessary to observe the first “successful” outcome. This random variable can be modeled as:

binomial.


geometric.


hypergeometric.


Poisson.



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Marked as best answer by kandiwilson165@gmail.com on Feb 26, 2023

gcurrens

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kandiwilson165@gmail.com

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Reply 2 on: Feb 26, 2023
Excellent


milbourne11

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Reply 3 on: Yesterday
:D TYSM

 

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