A recent survey indicated that the average amount spent for breakfast by business managers was $7.58 with a standard deviation of $0.42. It was felt that breakfasts on the West Coast were higher than $7.58. A sample of 81 business managers on the West Coast had an average breakfast cost of $7.65.
Find the P-value for the test.
A) 0.4332
B) 0.2734
C) 0.1325
D) 0.0668