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Sec_6_s11 - AEM 2100 Spring 2011 Section 6 1 Name Section...

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AEM 2100 Name __________________ Spring 2011 Section _________________ Section 6 1.) On average, 30-minute television sitcoms have 22 minutes of programming (CNBC, February 23, 2006). Assume that the probability distribution for minutes of programming can be approximated by a uniform distribution from 18 minutes to 26 minutes. a.) What is the probability a sitcom will have 25 or more minutes of programming? b.) What is the probability a sitcom will have between 21 and 25 minutes of programming? c.) What is the probability a sitcom will have more than 10 minutes of commercials or other non-programming interruptions? e.) At least how many minutes of programming do 75% of the sitcoms have?
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2.) Customers experiencing technical difficulty with their Internet cable hookup may call an 800 number for technical support. It takes the technician between 30 seconds and 10 minutes to resolve the problem. The distribution of this support time follows a uniform distribution. a.) What is the mean time to resolve the problem? What is the standard deviation of the time?
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