1. The average waist size for teenage males is 29 incheswith a standard deviation of 2 inches.
If waist sizes are normally distributed, determine the z-score of ateenage male with a 33 inch waist.

CHOICES

2

1

-2

-1

2. The mean temperature in Glens Falls for the month ofFebruary is 23 degrees with a standard deviation of 4.2 degrees. What is the z-score for a temperature of 17 degrees?

choices

1

1.43

-1.43

11.5

3. The mean temperature in Glens Falls for the month ofFebruary is 23 degrees with a standard deviation of 4.2 degrees. Approximately what percent of days in February will have daysbelow 23 degrees?

choices

5%

34%

50%

68%

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