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Author Question: A college debating team consists of two women (Sue and Marie) and one man (Jose). Assume that ... (Read 50 times)

penguins

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on: Aug 2, 2018
A college debating team consists of two women (Sue and Marie) and one man (Jose). Assume that samples of size 2 are randomly selected with replacement from this population.
 
  List the 9 different possible samples and find the proportion of women in each sample. Find the sampling distribution of proportions and find the mean of the sampling distribution.

Question 2

A doctor performs several diagnostic tests to determine the reason for a patient's illness.
 
  A) Experimental B) Observational
 
  Identify the type of observational study (cross-sectional, retrospective, prospective).


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jaykayy05

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

Possible samples: Sue-Sue, Sue-Marie, Sue-Jose, Marie-Sue, Marie-Marie, Marie-Jose, Jose-Sue, Jose-Marie, Jose-Jose
Proportions: 1, 1, 0.5, 1, 1, 0.5, 0.5, 0.5, 0

The sampling distribution of proportions is:

The mean of the sampling distribution is 2/3

Answer to Question 2

B


penguins

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Reply 2 on: Aug 2, 2018
:D TYSM

Joy Chen

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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