A population of values has a normal distribution with μ = 47.4 and o = 41.4. A random sample of size n 189 is drawn. a. Find the probability that a single randomly selected value is between 42.6 and 45. Round your answer to four decimal places. P(42.6 < X < 45): = b. Find the probability that a sample of size n = 189 is randomly selected with a mean between 42.6 and 45. Round your answer to four decimal places. P(42.6 < M < 45) =

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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A population of values has a normal distribution with μ =
size n = 189 is drawn.
P(42.6 < X < 45) =
=
47.4 and o
a. Find the probability that a single randomly selected value is between 42.6 and 45. Round your
answer to four decimal places.
41.4. A random sample of
=
b. Find the probability that a sample of size n = 189 is randomly selected with a mean between
42.6 and 45. Round your answer to four decimal places.
P(42.6 < M < 45)
Transcribed Image Text:A population of values has a normal distribution with μ = size n = 189 is drawn. P(42.6 < X < 45) = = 47.4 and o a. Find the probability that a single randomly selected value is between 42.6 and 45. Round your answer to four decimal places. 41.4. A random sample of = b. Find the probability that a sample of size n = 189 is randomly selected with a mean between 42.6 and 45. Round your answer to four decimal places. P(42.6 < M < 45)
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