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2017 STATISTICS FOR DECISION MAKING The Marketing Manager of Marina Mall records weekly purchases of customers. For last week, the total customer purchases were GH¢ 2,000,000. The customer accounts records at the Mall have an average purchase of GH¢48 and a variance of GH¢256. Assuming that the purchases are normally distributed: (a) What amount of the total purchases is over a customer purchase of GH¢60? (b) What amount of the total purchases is between GH¢50 and GH¢80 purchases inclusive per customer? (c) What amount of the purchases is less than GH¢10?

2017 STATISTICS FOR DECISION MAKING The Marketing Manager of Marina Mall records weekly purchases of customers. For last week, the total customer purchases were GH¢ 2,000,000. The customer accounts records at the Mall have an average purchase of GH¢48 and a variance of GH¢256. Assuming that the purchases are normally distributed: (a) What amount of the total purchases is over a customer purchase of GH¢60? (b) What amount of the total purchases is between GH¢50 and GH¢80 purchases inclusive per customer? (c) What amount of the purchases is less than GH¢10?

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
Problem 1P
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2017 STATISTICS FOR DECISION MAKING The Marketing Manager of Marina Mall records weekly purchases of customers. For last week, the total customer purchases were GH¢ 2,000,000. The customer accounts records at the Mall have an average purchase of GH¢48 and a variance of GH¢256. Assuming that the purchases are normally distributed: (a) What amount of the total purchases is over a customer purchase of GH¢60? (b) What amount of the total purchases is between GH¢50 and GH¢80 purchases inclusive (c) What amount of the purchases is less than GH¢10? per customer? Copyright C2011 Pearson Education B-24
Transcribed Image Text:2017 STATISTICS FOR DECISION MAKING The Marketing Manager of Marina Mall records weekly purchases of customers. For last week, the total customer purchases were GH¢ 2,000,000. The customer accounts records at the Mall have an average purchase of GH¢48 and a variance of GH¢256. Assuming that the purchases are normally distributed: (a) What amount of the total purchases is over a customer purchase of GH¢60? (b) What amount of the total purchases is between GH¢50 and GH¢80 purchases inclusive (c) What amount of the purchases is less than GH¢10? per customer? Copyright C2011 Pearson Education B-24
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