The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 63, find the probability of a sample mean being less than 19.5 if u = 20 and o=1.33. Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table. For a sample of n = 63, the probability of a sample mean being less than 19.5 if u = 20 and σ = 1.33 is (Round to four decimal places as needed.) Would the given sample mean be considered unusual? The sample mean be considered unusual because it has a probability that is than 5%.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
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The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered
unusual.
For a sample of n = 63, find the probability of a sample mean being less than 19.5 if u = 20 and o=1.33.
Click the icon to view page 1 of the standard normal table.
Click the icon to view page 2 of the standard normal table.
For a sample of n = 63, the probability of a sample mean being less than 19.5 if u = 20 and σ = 1.33 is
(Round to four decimal places as needed.)
Would the given sample mean be considered unusual?
The sample mean
be considered unusual because it has a probability that is
than 5%.
Transcribed Image Text:The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 63, find the probability of a sample mean being less than 19.5 if u = 20 and o=1.33. Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table. For a sample of n = 63, the probability of a sample mean being less than 19.5 if u = 20 and σ = 1.33 is (Round to four decimal places as needed.) Would the given sample mean be considered unusual? The sample mean be considered unusual because it has a probability that is than 5%.
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