Question
Kitchen appliances dont last forever . The lifespan of all microwave ovens sold in the United States is approximate Normally Distributed with a mean of
Kitchen appliances dont last forever . The lifespan of all microwave ovens sold in the United States is approximate Normally Distributed with a mean of 9 years and standard deviation of 2.5 years. What percentage of ovens last more than 10 years?
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
