Let A = {a, b, c}, B = {4, 5, 6}, and f = {(a, 6), (b, 4), (c, 6)}. Is f a function from A to B?

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%

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

[tex]5 \times1 \frac{12}{13} [/tex] me