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According to a government study among adults in the 25-to 34-year age group, the mean amount spent per year on reading and entertainment is $1952. Assume that the distribution of the amounts spent follows the normal distribution with a standard deviation of $446. Refer to the table in Appendix B.1. (Round z-score computation to 2 decimal places and the final answer to 2 decimal places.)

According to a government study among adults in the 25-to 34-year age group, the mean amount spent per year on reading and entertainment is $1952. Assume that the distribution of the amounts spent follows the normal distribution with a standard deviation of $446. Refer to the table in Appendix B.1. (Round z-score computation to 2 decimal places and the final answer to 2 decimal places.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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04:22 According to a government study among adults in the 25-to 34-year age group, the mean amount spent per year on reading and entertainment is $1952. Assume that the distribution of the amounts spent follows the normal distribution with a standard deviation of $446. Refer to the table in Appendix B.1. (Round z-score computation to 2 decimal places and the final answer to 2 decimal places.) a. What percentage of the adults spend more than $2260 per year on reading and entertainment? Percentage b. What percentage of the adults spend between $2260 and $3000 per year on reading and entertainment? Percentage c. What percentage of the adults spend less than $1000 per year on reading and entertainment? Percentage % %
Transcribed Image Text:04:22 According to a government study among adults in the 25-to 34-year age group, the mean amount spent per year on reading and entertainment is $1952. Assume that the distribution of the amounts spent follows the normal distribution with a standard deviation of $446. Refer to the table in Appendix B.1. (Round z-score computation to 2 decimal places and the final answer to 2 decimal places.) a. What percentage of the adults spend more than $2260 per year on reading and entertainment? Percentage b. What percentage of the adults spend between $2260 and $3000 per year on reading and entertainment? Percentage c. What percentage of the adults spend less than $1000 per year on reading and entertainment? Percentage % %
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