With a sample size of , the sampling distribution for the sign ...

[a0266361136]

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]

Answer to Question 1

FALSE

Answer to Question 2

C