A population of values has a normal distribution with μ = 115.4 and o = 94.3. A random sample of size n = 217 is drawn. a. Find the probability that a single randomly selected value is between 116 and 125.6. Round your answer to four decimal places. P(116 < X < 125.6) = b. Find the probability that a sample of size n = 217 is randomly selected with a mean between 116 and 125.6. Round your answer to four decimal places. P(116 < M < 125.6) =

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 = 115.4 and o =
of size n
217 is drawn.
-
a. Find the probability that a single randomly selected value is between 116 and 125.6. Round
your answer to four decimal places.
P(116 < X < 125.6)
=
94.3. A random sample
b. Find the probability that a sample of size n = 217 is randomly selected with a mean between
116 and 125.6. Round your answer to four decimal places.
P(116 < M < 125.6)
=
Transcribed Image Text:A population of values has a normal distribution with μ = 115.4 and o = of size n 217 is drawn. - a. Find the probability that a single randomly selected value is between 116 and 125.6. Round your answer to four decimal places. P(116 < X < 125.6) = 94.3. A random sample b. Find the probability that a sample of size n = 217 is randomly selected with a mean between 116 and 125.6. Round your answer to four decimal places. P(116 < M < 125.6) =
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