1. The weekly salaries of teachers in one state are normally distributed with a mean of 560.0 dollars and a standard deviation of 39.0 dollars. What is the probability that a randomly selected teacher earns more than 605.0 a week?

SELECT ALL APPLICABLE CHOICES

A)

87.57187%87.57187%

B)

14.42813%14.42813%

C)

8.428135%8.428135%

D)

4.428135%4.428135%

E)

12.42813%12.42813%

F) None of These

2.

The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 85 inches, and a standard deviation of 12 inches. What is the probability that the mean annual precipitation during 48 randomly picked years will be less than 87.4 inches?

SELECT ALL APPLICABLE CHOICES

A)

87.70717%87.70717%

B)

97.70717%97.70717%

C)

95.70717%95.70717%

D)

91.70717%91.70717%

E)

85.70717%85.70717%

F)

8.292833%8.292833%

G) None of These