A population of values has a normal distribution with μ = 20.3 and o= 85.1. a. Find the probability that a single randomly selected value is between 14.3 and 30.2. Round your answer to four decimal places. P(14.3 < X < 30.2) = b. Find the probability that a randomly selected sample of size n = 165 has a mean between 14.3 and 30.2. Round your answer to four decimal places. P(14.3 < M < 30.2) : =

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A population of values has a normal distribution with u = 20.3 and o = 85.1.
a. Find the probability that a single randomly selected value is between 14.3 and 30.2. Round your
answer to four decimal places.
P(14.3 < X < 30.2)
=
b. Find the probability that a randomly selected sample of size n = 165 has a mean between 14.3 and
30.2. Round your answer to four decimal places.
P(14.3 < M < 30.2) =
=
Transcribed Image Text:A population of values has a normal distribution with u = 20.3 and o = 85.1. a. Find the probability that a single randomly selected value is between 14.3 and 30.2. Round your answer to four decimal places. P(14.3 < X < 30.2) = b. Find the probability that a randomly selected sample of size n = 165 has a mean between 14.3 and 30.2. Round your answer to four decimal places. P(14.3 < M < 30.2) = =
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