population of values has a normal distribution with and . You intend to draw a random sample of size . Find the probability that a single randomly selected value is greater than 87.2. P(X > 87.2) = Find the probability that a sample of size is randomly selected with a mean greater than 87.2. P(M > 87.2) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A population of values has a normal distribution with and . You intend to draw a random sample of size . Find the probability that a single randomly selected value is greater than 87.2. P(X > 87.2) = Find the probability that a sample of size is randomly selected with a mean greater than 87.2. P(M > 87.2) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
A population of values has a normal distribution with
μ =
67.9 and o 44.8. You intend to draw a random
sample of size n = 31.
=
Find the probability that a single randomly selected value is
greater than 87.2.
P(X> 87.2) =
Find the probability that a sample of size n = 31 is
randomly selected with a mean greater than 87.2.
P(M> 87.2) =
Enter your answers as numbers accurate to 4 decimal
places. Answers obtained using exact z-scores or z-scores
rounded to 3 decimal places are accepted.
Transcribed Image Text:A population of values has a normal distribution with μ = 67.9 and o 44.8. You intend to draw a random sample of size n = 31. = Find the probability that a single randomly selected value is greater than 87.2. P(X> 87.2) = Find the probability that a sample of size n = 31 is randomly selected with a mean greater than 87.2. P(M> 87.2) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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