For the following claim find the null and alternative hypothesis, test statistic, P=value, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answers a-e.
a. Choose the correct null hypothesis (Ho) and alternative hypothesis (H1)
b. Determine the test statistic t.
t=___ (Round to three decimals)
c. Choose the correct range of P-values___
d. find the critical value using a t-distribution table.
The critical value is ___ (Round to three decimals)
e. What is the conclusion?
A. Reject the null hypothesis and do not support the claim that u>125.
B. Fail to reject the null hypothesis and do not support the claim that u.125
C. Fail to reject the null hypothesis and support the claim that u>125
D. Reject the null hypothesis and support the claim that u >125