PLEASE HELP!!!!!
A binomial event has n = 40 trials. The probability of success for each trial is 0.40. Let x be the number of successes of the event during the 40 trials. What are μx and σx?
μx = 3.10 and σx = 9.6
μx = 16 and σx = 9.6
μx = 9.6 and σx = 4
μx = 16 and σx = 3.10