20 21 22 23 24 25 26 27 28 29 = 30 31 Determine the probability P (7 or more) for a binomial experiment with n= 8 trials and success probability p=0.7. Then find the mean, variance, and standard deviation. Part: 0 / 3 Part 1 of 3 Determine the probability P (7 or more). Round the answer to at least four decimal places. P (7 or more) = X