Suppose x has a distribution with μ = 15 and σ = 12. (a) If a random sample of size n = 35 is drawn, find μ x , σ x and P (15 ≤ x ≤ 17). (Round σ x to two decimal places and the probability to four...

(a) If a random sample of sizen = 35 is drawn, find μ_x, σ _x andP(15 ≤ x ≤ 17). (Round σ_x to two decimal places and the probability to four decimal places.)

μx =

σ x =

P(15 ≤ x ≤ 17) =

(b) If a random sample of sizen = 59 is drawn, find μ_x, σ _x andP(15 ≤ x ≤ 17). (Round σ _x to two decimal places and the probability to four decimal places.)

μx =

σ x =

P(15 ≤ x ≤ 17) =