A population of values has a normal distribution with μ=183.9 and σ=17.1. You intend to draw a random sample of size n=13. 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. Find the probability that a single randomly selected value is less than 188.2. P(X < 188.2) =  Find the probability that a sample of size n=13n=13 is randomly selected with a mean less than 188.2. P(M < 188.2) =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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A population of values has a normal distribution with μ=183.9 and σ=17.1. You intend to draw a random sample of size n=13. 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.

Find the probability that a single randomly selected value is less than 188.2.
P(X < 188.2) = 

Find the probability that a sample of size n=13n=13 is randomly selected with a mean less than 188.2.
P(M < 188.2) = 

 

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