Question : of 8 (1 point) | Atbangt 1 of 1 | Viow question in a popup | ((] zam Ex Raraining 1 Suction Barcia 42 Fifteen Items or less: The number of customers In line at a supermarket express checkout counter Is a random varlable with the folowing probability distribution. 1 2 3 4 5 P(x) 0.10 0.20 035 0.20 0.10 0.05 Sand data to Excel Part 1 of7 (20 Find P (3) P(3) = 0.20 Part 2 of 7 [bo Find P (No less than 4). P (No less than 4) = 0.95. Part 3 of 7 [c) Find the probability that no one Is In ling. The probability that no one Is In line Is |0.10. Part 4 of 7 [d) Find the probability that at least three people are In line. The probability that at least three people are In line Is | 0.20 Part S of 7 [:) Compute the mean ly. Round the answer to two decimal places. My = 2.15 . Part: 5 / 7 Part 6 of 7 Of Compute the standard deviation Ox-. Round the answer to at least three decimal places