Monty buys hats in bulk to sell at his store. His cost for each hat is $17. He marks up the hats 45%. What is the retail price per hat?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

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%

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?