A binomial experiment has the given number of trials n and the given success probability p.

n = 12, p = 0.3

Part 1 of 3

(a )Determine the probability P(1orfewer).Round the answer to at least four decimal places.

Part 2 of 3

(b)Find the mean. Round the answer to two decimal places.

Part 3 of 3

(c)Find the variance and standard deviation. Round the variance to two decimal places and standard deviation to at least three decimal places.