Question

Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining a success. Round your answer to four decimal places.

P(X>4), n=7, p=0.4

Find the standard deviation of the following data. Round your answer to one decimal place.

x	1	2	3	4	5	6
P(X=x)	0.1	0.1	0.2	0.1	0.2	0.3

Answer 1