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Author Question: The level of significance a. can be any positive value b. can be any value c. is (1 - confidence ... (Read 302 times)

Lisaclaire

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on: Jun 24, 2018
The level of significance
 a. can be any positive value
  b. can be any value
  c. is (1 - confidence level)
  d. can be any value between -1.96 to 1.96

Question 2

The proprietor of a boutique in New York wanted to determine the average age of his customers. A random sample of 53 customers revealed an average age of 28 years with a standard deviation of 4 years. Determine a 98 confidence interval estimate for the average age of all his customers.


ryansturges

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

C

Answer to Question 2

26.68 to 29.32


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