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Author Question: Three applications for admission to a local university are checked to determine whether each ... (Read 126 times)

stock

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on: Jun 24, 2018
Three applications for admission to a local university are checked to determine whether each applicant is male or female. The number of sample points in this experiment is _____.
 a. 2
  b. 4
  c. 6
  d. 8

Question 2

A university planner is interested in determining the percentage of spring semester students who will attend summer school. She takes a pilot sample of 160 spring semester students discovering that 56 will return to summer school.
 a. Construct a 95 confidence interval estimate for the percentage of spring semester students who will return to summer school.
  b. Using the results of the pilot study with a .95 probability, how large of a sample would have to be taken to provide a margin of error of 3 or less?


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eliasc0401

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Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

a. .276 to .424 (rounded)
b. 972


stock

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Reply 2 on: Jun 24, 2018
Excellent

laurnthompson

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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