the following table shows the probability distribution for a discrete random variable. X- 11,14,16,19,21,23,24,29 P(X)- 0.07,0.21,0.17,0.25,0.05,0.04,0.13, 0.08. what is the mean of this discrete random variable? (that is, what is E(x), the expected value of X?) A) 18.59 B) 19.625 C) 19 D) 20

Acar dealership pays you 5% commission on your first $10,000 on car sales and 8% commission on the sale amount over $10,000 if you sold a $12,000 car how much is your commission

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.