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Al-Jareer book store uses 2-week periodic review period for its books inventory. For a particular book, the weekly demand during the 2-week review period is assumed to be normally distributed with a mean of 20 units (books) and the standard deviation of 5 units. Whereas, during the lead time period of 4 days, the demand also behaves normally with mean 5 unit and a standard deviation of 3 units respectively. What is the expected (mean) demand and standard deviation of the demand during the review period plus the lead time? Round to 3-decimal places O a. Mean =42, Standard deviation= 7.788 O b. Mean=50, Standard deviation= 6.681 Mean =40, Standard deviation= 7.812 O d. Mean =45, Standard deviation= 7.681 O e. None is correct

Al-Jareer book store uses 2-week periodic review period for its books inventory. For a particular book, the weekly demand during the 2-week review period is assumed to be normally distributed with a mean of 20 units (books) and the standard deviation of 5 units. Whereas, during the lead time period of 4 days, the demand also behaves normally with mean 5 unit and a standard deviation of 3 units respectively. What is the expected (mean) demand and standard deviation of the demand during the review period plus the lead time? Round to 3-decimal places O a. Mean =42, Standard deviation= 7.788 O b. Mean=50, Standard deviation= 6.681 Mean =40, Standard deviation= 7.812 O d. Mean =45, Standard deviation= 7.681 O e. None is correct

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Al-Jareer book store uses 2-week periodic review period for its books inventory. For a particular book, the weekly demand during the 2-week review period is assumed to be normally distributed with a mean of 20 units (books) and the standard deviation of 5 units. Whereas, during the lead time period of 4 days, the demand also behaves normally with mean 5 unit and a standard deviation of 3 units respectively. What is the expected (mean) demand and standard deviation of the demand during the review period plus the lead time? Round to 3-decimal places O a. Mean =42, Standard deviation= 7.788 O b. Mean =50, Standard deviation= 6.681 O c. Mean =40, Standard deviation= 7.812 O d. Mean =45, Standard deviation= 7.681 O e. None is correct
Transcribed Image Text:Al-Jareer book store uses 2-week periodic review period for its books inventory. For a particular book, the weekly demand during the 2-week review period is assumed to be normally distributed with a mean of 20 units (books) and the standard deviation of 5 units. Whereas, during the lead time period of 4 days, the demand also behaves normally with mean 5 unit and a standard deviation of 3 units respectively. What is the expected (mean) demand and standard deviation of the demand during the review period plus the lead time? Round to 3-decimal places O a. Mean =42, Standard deviation= 7.788 O b. Mean =50, Standard deviation= 6.681 O c. Mean =40, Standard deviation= 7.812 O d. Mean =45, Standard deviation= 7.681 O e. None is correct
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