Question

You own a small storefront retail business and are interested in determining the average amount of money a typical customer spends per visit to your store. You take a random sample over the course of a month for 14 customers and find that the average dollar amount spent per transaction per customer is $82.232 with a standard deviation of $10.2207. Create a 99% confidence interval for the true average spent for all customers per transaction

1)	( 74.004 , 90.46 )

2)	( -74.004 , 90.46 )

3)	( 79.5 , 84.964 )

4)	( 74.1 , 90.364 )

5)	( 79.22 , 85.244 )

Answer 1