# Hw4 - in working condition with probability 60 what is the...

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MAE 108 – Probability and Statistical Methods for Engineers – Winter 2010 Homework # 4 Assigned: February 3 2010 Due: February 10 2010, in class. Each problem is worth 10 points. For many of the problems you will have to use the numerical values of the CDF Φ( x ) for the standard normal distribution given in the appendix of the textbook. 6. A satellite system consists of 4 independent components and can function adequately if at least 2 of the 4 components are in working condition. If each component is, independently,
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Unformatted text preview: in working condition with probability 60%, what is the probability that the system functions adequately? 7. If each voter is for Proposition A with probability 70%, what is the probability that exactly 7 of 10 given voters are for this proposition? 8. At least one-half of an airplane’s engines are required to function in order for it to operate. If each engine independently functions with probability p , for what values of p is a 4-engine plane more likely to operate than a 2-engine plane?...
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