and P(12 ≤ x ≤ 14). (Round a to two decimal places and the probability to four decimal places.) o be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).) art (a) because of the -Select--sample size. Therefore, the distribution about #is-Select-

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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Suppose x has a distribution with = 12 and a = 11.
LAUSE SALT
(a) If a random sample of size n = 36 is drawn, find , and P(12 ≤ x ≤ 14). (Round a to two decimal places and the probability to four decimal places.)
Hx=
ox=
P(12 ≤ x ≤ 14) =
(b) If a random sample of size n = 57 is drawn, find , and P(12 ≤ x ≤ 14). (Round a to two decimal places and the probability to four decimal places.)
Hx
0x =
P(12 ≤ x ≤ 14) =
(c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).)
The standard deviation of part (b) is -Select- part (a) because of the --Select-- sample size. Therefore, the distribution about is --Select--
Transcribed Image Text:Suppose x has a distribution with = 12 and a = 11. LAUSE SALT (a) If a random sample of size n = 36 is drawn, find , and P(12 ≤ x ≤ 14). (Round a to two decimal places and the probability to four decimal places.) Hx= ox= P(12 ≤ x ≤ 14) = (b) If a random sample of size n = 57 is drawn, find , and P(12 ≤ x ≤ 14). (Round a to two decimal places and the probability to four decimal places.) Hx 0x = P(12 ≤ x ≤ 14) = (c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).) The standard deviation of part (b) is -Select- part (a) because of the --Select-- sample size. Therefore, the distribution about is --Select--
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