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MGT 218: Fast Auto Service guarantees Fast Auto Service guarantees that the maximum waiting time for its customers is 20 minutes for oil and lube service on their cars. It also guarantees that any customer who has to wait longer than 20 minutes for this service will receive a 50% discount on the charges. It … Read more

MGT 218 The management of a supermarket The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at the supermarket. The expectation of the management is that after the promotional policy is advertised, the expenditures for … Read more

MGT 218: Let x be a continuous random variable Let x be a continuous random variable that follows a normal distribution with a mean of 550 and a standard deviation of 75. a) Find the value of x so that the area under the normal curve to the left of x is .0250 Find the … Read more

The transmissions on a model of a specific car has a warranty of 40,000 miles. It is known that the life of such transmissions has a normal distribution with a mean of 72,000 miles and a standard deviation of 12,000 miles. A transmission is chosen at random. a)What is the probability the transmission will fail … Read more

A psychologist has devised a stress test for dental patients sitting in the waiting rooms. According to this test, the stress scores ( on a scale of 1 to 10 ) for patients waiting for root canal treatments are found to be approximately normally distributed with a mean of 7.59 and a standard deviation of … Read more

MGT 218: The management of a supermarket The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. The expectation of the management is that after this promotional policy is advertised , the expenditures … Read more

MGT 218: Chapter 6: The Bank of Connecticut The Bank of Connecticut issues Visa and MasterCard credit cards. It is estimated that the balances on all Visa credit cards issued by the Bank of Connecticut have a mean of $ 850 and a standard deviation of $270 . Assume that the balances on all these Visa cards follow … Read more

MGT 218: Tommy Wait, a minor league baseball pitcher Tommy Wait, a minor league baseball pitcher, is notorious for taking an excessive amount of time between pitches. His times between pitches are normally distributed with a mean of 36 seconds and a standard deviation of 2.5 seconds. What percentage of his times between pitches are … Read more

MGT 218: According to the U.S. Employment According to the U.S.Employment and Training Administration, the average weekly unemployment benefit paid out in 2008 was $297. Suppose that the current distribution of weekly unemployment benefits paid out is approximately normally distributed with a mean of $297 and a standard deviation of $74.42. Find the probability that … Read more