(a) If a random sample of size n = 44 is drawn, find u o- and P(16 SXS 18). (Round o to two decimal places and the probability to four decimal places.) P(16 SxS 18) = | (b) If a random sample of size n = 71 is drawn, find u, o- and P(16 S xS 18). (Round a to two decimal places and the probability to four decimal places.) H = P(16 SXS 18) = 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- v part (a) because of the -Select-- v sample size. Therefore, the distribution about is -Select--v

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Answer a, b, & c.
PRACTI
Suppose x has a distribution with u = 16 and o = 9.
n USE SALT
(a) If a random sample of size n = 44 is drawn, find u, o- and P(16 S xS 18). (Round o, to two decimal places and the probability to four decimal places.)
H =
P(16 SxS 18) =
(b) If a random sample of size n = 71 is drawn, find u, o- and P(16 S XS 18). (Round o- to two decimal places and the probability to four decimal places.)
Hy =
P(16 SxS 18) = |
(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-- v part (a) because of the --Select-- v sample size. Therefore, the distribution about u is
Select--v
Transcribed Image Text:PRACTI Suppose x has a distribution with u = 16 and o = 9. n USE SALT (a) If a random sample of size n = 44 is drawn, find u, o- and P(16 S xS 18). (Round o, to two decimal places and the probability to four decimal places.) H = P(16 SxS 18) = (b) If a random sample of size n = 71 is drawn, find u, o- and P(16 S XS 18). (Round o- to two decimal places and the probability to four decimal places.) Hy = P(16 SxS 18) = | (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-- v part (a) because of the --Select-- v sample size. Therefore, the distribution about u is Select--v
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