In a random sample of 60 dog owners enrolled in obedience training, it was determined that the mean amount of money spen per owner was $109.33 per class. Assuming the sample standard deviation of the...

In a random sample of 60 dog owners enrolled in obedience training, it was determined that the mean amount of money spen per owner was $109.33 per class. Assuming the sample standard deviation of the amount spent per owner is $12, construct and interpret a 95% confidence interval for the mean amount spent per owner for an obedience class.