Please,show all step. One of your distributors reports an average of 150 sales per day.You suspect that this average is not accurate, so you randomly select 35 days and determine the number of sales each day.The sample mean is 143 daily sales with a stardard deviation of 15 sales. At alfa =0.01, is there enough evidence to doubt the distributor\'s average. Solution The claim is that this average is not accurate.

1. Please,show all step.
One of your distributors reports an average of 150 sales per day.You suspect that this average is
not accurate, so you randomly select 35 days and determine the number of sales each day.The
sample mean is 143 daily sales with a stardard deviation of 15 sales. At alfa =0.01, is there
enough evidence to doubt the distributor's average.
Solution
The claim is that this average is not accurate