https://assignmentspool.com/wp-content/uploads/2021/01/logo-300x60.png 0 0 Davie https://assignmentspool.com/wp-content/uploads/2021/01/logo-300x60.png Davie2021-01-27 18:05:572021-01-27 18:05:57company 20 employees there are 7 earning 10hour 3 earning 12hour 4 earning 15hour 2 earning
In a company with 20 employees, there are 7 earning $10/hour, 3 earning $12/hour, 4 earning $15/hour, 2 earning $20/hour, and 4 earning $24/hour. One person from the company is selected at random. a. What is the expected value of the person’s salary? b. What is the variance? c. What is the standard deviation?