Complete the following four hypotheses, using = 0.05 for each.

1. Mean sales per week exceed 42.5 per salesperson

2. Proportion receiving online training is less than 55%

3 Mean calls made among those with no training is at least 145

4. Mean time per call is 14.7 minutes

use either the p-value or the critical values to draw conclusions. Be sure to explain your conclusion and interpret that to the claim in simple terms

Compute 99% confidence intervals for the variables used in each hypothesis test, and interpret these intervals.