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Author Question: A college debating team consists of three science majors (Tyler, Chris, and Marie) and one ... (Read 61 times)

magmichele12

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on: Aug 2, 2018
A college debating team consists of three science majors (Tyler, Chris, and Marie) and one humanities major (Bill).
 
  Assume that samples of size 2 are randomly selected with replacement from this population. List the 16 different possible samples and find the proportion of science majors in each sample. Describe the sampling distribution of proportions and find the mean of the sampling distribution.

Question 2

A: A bird lands on your head.
  B: The bird lays an egg.
 
  A) Independent B) Dependent


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l.stuut

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Reply #1 on: Aug 2, 2018
Answer to Question 1

Possible samples: Tyler-Tyler, Tyler-Chris, Tyler-Marie, Tyler-Bill, Chris-Tyler, Chris-Chris, Chris-Marie, Chris-Bill, Marie-Tyler, Marie-Chris, Marie-Marie, Marie-Bill, Bill-Tyler, Bill-Chris, Bill-Marie, Bill-Bill
Proportions: 1, 1, 1, 0.5, 1, 1, 1, 0.5, 1, 1, 1, 0.5, 0.5, 0.5, 0.5, 0

The sampling distribution of proportions consists of the 16 proportions paired with the probability of 1/16.
The mean of the sampling distribution is 3/4

Answer to Question 2

A


magmichele12

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Reply #2 on: Aug 2, 2018
Thank you!


l.stuut

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Reply #3 on: Aug 2, 2018
Always glad to help...


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