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Author Question: If a hypothesis is not rejected at the 5 level of significance, it a. will also not be rejected at ... (Read 96 times)

cookcarl

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on: Jun 24, 2018
If a hypothesis is not rejected at the 5 level of significance, it
 a. will also not be rejected at the 1 level
  b. will always be rejected at the 1 level
  c. will sometimes be rejected at the 1 level
  d. None of these alternatives is correct.

Question 2

In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 25 pieces of carry-on luggage was collected and weighed. The average weight was 18 pounds. Assume that we know the standard deviation of the population to be 7.5 pounds.
 a. Determine a 97 confidence interval estimate for the mean weight of the carry-on luggage.
  b. Determine a 95 confidence interval estimate for the mean weight of the carry-on luggage.


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janeli1

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

A

Answer to Question 2

a. 14.745 to 21.255
b. 15.06 to 20.94


cookcarl

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Reply 2 on: Jun 24, 2018
Wow, this really help

kilada

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

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