Author Question: Given a population where the proportion of items with a desired attribute is p = 0.25, if a sample ... (Read 107 times)

BRWH

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Given a population where the proportion of items with a desired attribute is p = 0.25, if a sample of 400 is taken, what is the probability the proportion of successes in the sample will be greater than 0.22?
 
  A) 0.9162
  B) 0.8812
  C) 0.7141
  D) 0.8412

Question 2

One claim states the IRS conducts audits for not more than 5 percent of total tax returns each year. In order to test this claim statistically, the appropriate null and alternative hypotheses are:H0 :   0.05Ha :  > 0.05
 
  Indicate whether the statement is true or false



anoriega3

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Answer to Question 1

A

Answer to Question 2

FALSE



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