At least one of the answers above is NOT correct.
Use the binomial distribution to find the requested probability, mean, and standard deviation. Give your answers to 4 decimal places.
1. Let X be a binomial random variable with $n = 12$ and $p = 0.15$.
a. Find $P(X = 8)$. 6.6223
b. What is the mean of X? 1.8
c. What is the standard deviation of X? 1.2369
2. Let X be a binomial random variable with $n = 11$ and $p = 0.35$.
a. Find $P(X = 11)$. 9.6549
b. What is the mean of X? 3.85
c. What is the standard deviation of X? 1.9621
Note: You can earn partial credit on this problem.