answeer the ff with complete solutions,

-The following are the number of cars sold per day at ABC Motor corporation during the past 495 working days. What is the standard deviation of the probability distribution of the number of cars sold in a given Number Of Frequency of cars sold per outcomes day, x O 30 1 100 2 142 3 71 4 36 5 32 6 26 T 18 8 16 9 14 10 8 11 2 Total 495 day? (input answer in 4 decimal places) type your