Q.5.1 Class Act Pty has found that 21% of its policy holders are below the age of 30. A sample of 165 customers is randomly selected. Assuming normal distribution: Q.5.1.1 Determine the standard error for this sample. Q.5.1.2 What is the probability that more than 20.50% of the customers in the sample are below the age of 30? Interpret your answer.
Q.5.1 Class Act Pty has found that 21% of its policy holders are below the age of 30. A sample of 165 customers is randomly selected. Assuming normal distribution: Q.5.1.1 Determine the standard error for this sample. Q.5.1.2 What is the probability that more than 20.50% of the customers in the sample are below the age of 30? Interpret your answer.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Q.5.1 Class Act Pty has found that 21% of its policy holders are below the age of 30. A sample of 165 customers is randomly selected. Assuming normal distribution:
Q.5.1.1 Determine the standard error for this sample.
Q.5.1.2 What is the probability that more than 20.50% of the customers in the sample are below the age of 30? Interpret your answer.
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