Lise lite probability distribution ta complete parts {a} and {h} below. The number of defects per i machine parts inspected Detects El 1 2 3 4 5 g Probability H.252 i130? H.246 i113? [1.03? [1.011 {a} Find the mean, variance, and standard deviation ef the probability distribution. The mean is D. [Round to one decimal place as needed}