Hellpp worth 15 pts
the area of a rectangle is 0.8 square units. the length is 1.7 units and the width is x units
which statements are true?

select each correct answer.

a.0.8x=1.7

b. x=0.471

c. x=1.36

d.1.7x=0.8

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%