Maria has a job picking apples, She can pick 52 apples per hour. How many can she pick in 45 minutes?

Which property is illustrated by the statement given below? raj raj.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

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