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Author Question: True or False? When choosing the sample size for estimating a population proportion p to within E ... (Read 46 times)

bucstennis@aim.com

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on: Jul 24, 2018
True or False? When choosing the sample size for estimating a population proportion p to within E units with confidence (1 - )100,
 
  if you take p  0.5 as the approximation to p, you will always obtain a sample size that
  is at least as large as required.
  A) True B) False

Question 2

In a college student poll, it is of interest to estimate the proportion p of students in favor of changing from a quarter-system to a semester-system.
 
  How many students should be polled so that we can estimate p to
  within 0.09 using a 99 confidence interval?
  A) 205 B) 182 C) 261 D) 114


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b614102004

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

A

Answer to Question 2

A


bucstennis@aim.com

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Reply 2 on: Jul 24, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
Excellent

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