Quantitative Problem: You are given the following probability distribution for $CHC$ Enterprises:

What is the stock's expected return? Do not round intermediate calculations. Round your answer to two decimal places.

$\%$

What is the stock's standard deviation? Do not round intermediate calculations. Round your answer to two decimal places.

$\%$

What is the stock's coefficient of variation? Do not round intermediate calculations. Round your answer to two decimal places.