A meteorological office keeps records of the annual precipitation in different cities. For one city, the mean annual precipitation is

24.6

inches and the standard deviation of the annual precipitation amounts is5.2

. Letx

represent the annual precipitation in that city. Determine thez

-score for an annual precipitation in that city of39.5

inches. Round your answer to two decimal places.

2.87

1.49

2.87

13.49