A researcher talks with 20 heroin addicts to find out how many times they have shoplifted in the past week. The data are shown below: 1, 6, 0, 0, 4, 0, 3, 4, 14, 9, 3, 0, 1, 1, 2 A) What is the mean and standard deviation for known incidents? B)What is the z score for an addict who shoplifted four times? C)What is the percentage of heroin addicts that have shoplifted four or more times? D)What is the z score for an addict who shoplifted once in the past week? E)What percentage of addicts shoplifted 1 or fewer times in the past week?
A researcher talks with 20 heroin addicts to find out how many times they have shoplifted in the past week. The data are shown below: 1, 6, 0, 0, 4, 0, 3, 4, 14, 9, 3, 0, 1, 1, 2 A) What is the mean and standard deviation for known incidents? B)What is the z score for an addict who shoplifted four times? C)What is the percentage of heroin addicts that have shoplifted four or more times? D)What is the z score for an addict who shoplifted once in the past week? E)What percentage of addicts shoplifted 1 or fewer times in the past week?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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A researcher talks with 20 heroin addicts to find out how many times they have shoplifted in the past week. The data are shown below:
1, 6, 0, 0, 4, 0, 3, 4, 14, 9, 3, 0, 1, 1, 2
A) What is the mean and standard deviation for known incidents?
B)What is the z score for an addict who shoplifted four times?
C)What is the percentage of heroin addicts that have shoplifted four or more times?
D)What is the z score for an addict who shoplifted once in the past week?
E)What percentage of addicts shoplifted 1 or fewer times in the past week?
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