If a binomial distribution applies with a sample size of n = 20, find the values below. a. The probability of 5 successes if the probability of a success is 0.55 b. The probability of at least 7 successes if the probability of a success is 0.50 C. The expected value, n = 20, p = 0.35 d. The standard deviation, n = 20, p = 0.35