Question

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial. Round to three decimal places.
n = 7, x = 4 , p = 0.5

Answer 1

\[\binom740.5^{7-4}(1-0.5)^{7-3}\]

Answer 2

Im at a hospital and I left my calculator