Assuming the binomial distribution applies with a sample size of n = 15, find a. the probability

Question:

Assuming the binomial applies with a sample size of n = 15, find
a. the probability of 5 or more successes if the probability of a success is 0.30
b. the probability of fewer than 4 successes if the probability of a success is 0.75
c. the expected value of the random variable if the probability of success is 0.40
d. the standard deviation of the random variable if the probability of success is 0.40 Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...