A standardized exam's scores are normally distributed. In a recent year, the mean test score was

20.8

and the standard deviation was

5.7.

The test scores of four students selected at random are

14,

23,

7,

and

36.

Find the z-scores that correspond to each value and determine whether any of the values are unusual.

Question content area bottom

Part 1

The z-score for

14

is

enter your response here.

(Round to two decimal places as needed.)