The manager of a computer retails store is concerned that his suppliers have been giving him laptop computers with lower
Posted: Wed Jul 06, 2022 12:20 pm
The manager of a computer retails store is concerned that hissuppliers have been giving him laptop computers with lower thanaverage quality. His research shows that replacement times for themodel laptop of concern are normally distributed with a mean of 3.1years and a standard deviation of 0.6 years. He then randomlyselects records on 7 laptops sold in the past. Roundthe answers of following questions to 4 decimalplaces.