Suppose x has a distribution with ? = 30 and ? = 22. (a) If a random sample of size n = 36 is drawn, find ?x, ? x and P(30 ≤ x ≤ 32). (Round ?x to two decimal places and the probability to four decimal places.)?x = ? x = P(30 ≤ x ≤ 32) = (b) If a random sample of size n = 64 is drawn, find ?x, ? x and P(30 ≤ x ≤ 32). (Round ? x to two decimal places and the probability to four decimal places.)?x = ? x = P(30 ≤ x ≤ 32) = Suppose x has a distribution with u = 30 and o = 22.A USE SALT(a) If a random sample of size n = 36 is drawn, find uz, o, and P(30 s xs 32). (Round o, to two decimal places and the probability to four decimal places.)H =P(30 sxs 32) =(b) If a random sample of size n = 64 is drawn, find u, o; and P(30 s x s 32). (Round o ; to two decimal places and the probability to four decimal places.)P(30 s xs 32)

Given: Mean =30 Standard deviation= 22

Suppose x has a distribution with u = 30 and o = 22. A USE SALT (a) If a random sample of size n = 36 is drawn, find uz, o ; and P(30 sis 32). (Round o, to two decimal places and the probability to four decimal places.) P(30 sxs 32) = (b) If a random sample of size n = 64 is drawn, find u- oz and P(30 s x s 32). (Round o - to two decimal places and the probability to four decimal places.)

Suppose x has a distribution with u = 30 and o = 22. A USE SALT (a) If a random sample of size n = 36 is drawn, find uz, o ; and P(30 sis 32). (Round o, to two decimal places and the probability to four decimal places.) P(30 sxs 32) = (b) If a random sample of size n = 64 is drawn, find u- oz and P(30 s x s 32). (Round o - to two decimal places and the probability to four decimal places.)

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 19E

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Question

Suppose x has a distribution with ? = 30 and ? = 22.

(a) If a random sample of size n = 36 is drawn, find ?_x, ?_x and P(30 ≤ x ≤ 32). (Round ?_x to two decimal places and the probability to four decimal places.)

?_x =

P(30 ≤ x ≤ 32) =

(b) If a random sample of size n = 64 is drawn, find ?_x, ?_x and P(30 ≤ x ≤ 32). (Round ?_x to two decimal places and the probability to four decimal places.)

?_x =

P(30 ≤ x ≤ 32) =