The number of hybrid cars that have be requested for rental from a car rental office during a 50 day sample period is given in the following table. Demand for Cars Number of Days Probability 0.06 0.14 12 0.24 14 0.28 10 0.20 4 0.08 50 1.00For the preceding problem what is the variance of the number of hybrid rentals per day? Compute to two decimal places.For question seven what is the standard deviation of the number of hybrid rentals per day? Compute to one decimal place