here are 4 flights from San Diego to Denver in a given day. The number of flights that will arrive on time in Denver along with the probability is given in the probability distribution. Find the mean and the standard deviation. Round to 2 decimal. # of Flights 0 1 2 3 4 P(x) 0.02 0.15 0.28 0.52 .03 a) What is the mean rounded to 2 decimal place? b) What is the standard deviation rounded to 2 decimal place?