Suppose x has a distribution with = 10 and = 3.
A button hyperlink to the SALT program that reads: Use SALT.
(a) If a random sample of size n = 40 is drawn, find x, x and P(10 ≤ x ≤ 12). (Round x to two decimal places and the probability to four decimal places.)
x =
x =
P(10 ≤ x ≤ 12) =
(b) If a random sample of size n = 57 is drawn, find x, x and P(10 ≤ x ≤ 12). (Round x to two decimal places and the probability to four decimal places.)
x =
x =
P(10 ≤ x ≤ 12) =