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Author Question: With a sample size of , the sampling distribution for the sign test, assuming the null hypothesis is ... (Read 73 times)

a0266361136

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on: Jun 24, 2018
With a sample size of , the sampling distribution for the sign test, assuming the null hypothesis is true, follows the student's t-distribution.
 
  Indicate whether the statement is true or false

Question 2

According to R.L. Polk & Co, the average age of cars and light trucks in the U.S. is 10.8 years. Assume that the standard deviation for this population is 3.7 years. A sample of 35 randomly selected vehicles was selected.
 
  What is the probability that the sample mean will be greater than 10 years?A) 0.5469
  B) 0.7812
  C) 0.8997
  D) 0.9846


nikmaaacs

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

FALSE

Answer to Question 2

C


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