You wish to test the following claim (Ha) at a significance level of a=0.02. H0: u=83.9 Ha:u

You wish to test the following claim  (Ha) at a significance level of a=0.02.

H0: u=83.9

Ha:u<>

You believe the population is normally distributed but you do not know the standard deviation.  You obtain a sample of size n=119 with the meanM=79.4 and a standard deviation of SD=12.9. What is the test statistic foe this sample?

What is the P value for this sample?

The p value is less than or greater than a?

This test statistic leads to a decision to: reject the null, accept the null, or fail to reject the null?