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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?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 21PFA
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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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