Here is the distribution of the variable x: the number of children per employee in a firm. Number of children (x) 0 1 2 3 4 Number of employees with x children 65 42 34 25 14 Every employee, whether or not he/she has children, must contribute each month to the company's daycare fund according to the following schedule: fixed fee of $20 per month plus $7 per child. Let y be the monthly amount paid by each employee each month in terms of contribution to the fund. Determine the mean y and the variance of y : A. mean=2.62; 2 = 3.34 B. avg= 2.62; 2 = 88.97 C.mean= 13.04; 2 = 20.75 D. avg= 13.04; 2 = 92.57 E. avg= 29.37; 2 = 82.84 F. avg= 29.37; 2 = 100.57 G. avg= 30.27; 2 = 71.54 H.avg= 30.27; 2 = 100.33