A butcher claims that the average American eats at least 3. 1 pounds of beef a month. A


random sample of 60 people in the United States shows that the mean beef


consumption by a person is 2. 9 pounds per month with a standard deviation of 0. 94


pounds. At a = 0. 08, find the Z score.


0 -2. 63


O 1. 65


1. 65


02. 63