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Written Assignment #1: To submit your assignment, click on the Written Assignment #1 link above. This will take you to a Preview Upload Assignment window. You'll need to scroll down to Assignment Submission. From here you can write a text submission or select Browse My Computer and find your file. Directions: Answer each of the following questions. Show your work or explain how you arrived at your conclusion whenever appropriate. Use your calculator. In a random sample of 175 community college students, the mean number of hours spent studying per week is 13.7 hours and the standard deviation is 4 hours. a) Find the standard score (z-score) for students who study the following hours in a particular week. Round Z to the nearest hundredth and interpret the meaning of each answer as it pertains to this problem. ()22 hours ii) 6 hours b)Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study between 9.7 and 17.7 hours per week? c) Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study less than 5.7 hours per week? d) Without assuming anything about the distribution of the number of hours community college students study per week, at least what percentage (approximately) of the students study between 7.3 and 20.1 hours per week? e) Without assuming anything about the distribution of the number of hours community college students study per week, at most what percentage of the students study less than 1.7 hours or more than 25.7 hours per week?

Written Assignment #1: To submit your assignment, click on the Written Assignment #1 link above. This will take you to a Preview Upload Assignment window. You'll need to scroll down to Assignment Submission. From here you can write a text submission or select Browse My Computer and find your file. Directions: Answer each of the following questions. Show your work or explain how you arrived at your conclusion whenever appropriate. Use your calculator. In a random sample of 175 community college students, the mean number of hours spent studying per week is 13.7 hours and the standard deviation is 4 hours. a) Find the standard score (z-score) for students who study the following hours in a particular week. Round Z to the nearest hundredth and interpret the meaning of each answer as it pertains to this problem. ()22 hours ii) 6 hours b)Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study between 9.7 and 17.7 hours per week? c) Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study less than 5.7 hours per week? d) Without assuming anything about the distribution of the number of hours community college students study per week, at least what percentage (approximately) of the students study between 7.3 and 20.1 hours per week? e) Without assuming anything about the distribution of the number of hours community college students study per week, at most what percentage of the students study less than 1.7 hours or more than 25.7 hours per week?

COMPREHENSIVE MICROSOFT OFFICE 365 EXCE
COMPREHENSIVE MICROSOFT OFFICE 365 EXCE
1st Edition
ISBN:9780357392676
Author:FREUND, Steven
Publisher:FREUND, Steven
Chapter8: Working With Trendlines, Pivottables, Pivotcharts, And Slicers
Section: Chapter Questions
Problem 8EYW
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Written Assignment #1: To submit your assignment, click on the Written Assignment #1 link above. This will take you to a Preview Upload Assignment window. You'll need to scroll down to Assignment Submission. From here you can write a text submission or select Browse My Computer and find your file. Directions: Answer each of the following questions. Show your work or explain how you arrived at your conclusion whenever appropriate. Use your calculator. In a random sample of 175 community college students, the mean number of hours spent studying per week is 13.7 hours and the standard deviation is 4 hours. a) Find the standard score (z-score) for students who study the following hours in a particular week. Round Z to the nearest hundredth and interpret the meaning of each answer as it pertains to this problem. i) 22 hours ii) 6 hours b)Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study between 9.7 and 17.7 hours per week? c) Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study less than 5.7 hours per week? d) Without assuming anything about the distribution of the number of hours community college students study per week, at least what percentage (approximately) of the students study between 7.3 and 20.1 hours per week? e) Without assuming anything about the distribution of the number of hours community college students study per week, at most what percentage of the students study less than 1.7 hours or more than 25.7 hours per week?
Transcribed Image Text:Written Assignment #1: To submit your assignment, click on the Written Assignment #1 link above. This will take you to a Preview Upload Assignment window. You'll need to scroll down to Assignment Submission. From here you can write a text submission or select Browse My Computer and find your file. Directions: Answer each of the following questions. Show your work or explain how you arrived at your conclusion whenever appropriate. Use your calculator. In a random sample of 175 community college students, the mean number of hours spent studying per week is 13.7 hours and the standard deviation is 4 hours. a) Find the standard score (z-score) for students who study the following hours in a particular week. Round Z to the nearest hundredth and interpret the meaning of each answer as it pertains to this problem. i) 22 hours ii) 6 hours b)Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study between 9.7 and 17.7 hours per week? c) Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study less than 5.7 hours per week? d) Without assuming anything about the distribution of the number of hours community college students study per week, at least what percentage (approximately) of the students study between 7.3 and 20.1 hours per week? e) Without assuming anything about the distribution of the number of hours community college students study per week, at most what percentage of the students study less than 1.7 hours or more than 25.7 hours per week?
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