Questions from Business Statistics


Q: Based on a demand analysis forecast, a factory plans to produce

Based on a demand analysis forecast, a factory plans to produce 80,000 video game cartridges this quarter, on average, with an estimated uncertainty of 25,000 cartridges as the standard deviation. The...

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Q: As a stock market analyst for a major brokerage house, you

As a stock market analyst for a major brokerage house, you are responsible for knowing everything about the automotive companies. In particular, Ford is scheduled to release its net earnings for the p...

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Q: The probability of getting a big order currently under negotiation is 0

The probability of getting a big order currently under negotiation is 0.32. The probability of losing money this quarter is 0.54. a. Assume that these are mutually exclusive events. Find the probabili...

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Q: Your firm has classified orders as either large or small in dollar

Your firm has classified orders as either large or small in dollar amounts and as either light or heavy in shipping weight. In the recent past, 28% of orders have been large dollar amounts, 13% of ord...

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Q: Two events are mutually exclusive, one with probability 0.38

Two events are mutually exclusive, one with probability 0.38 and the other with probability 0.54. a. Find the conditional probability that the first event happens given that the second event happens....

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Q: Your company maintains a database within formation on your customers, and

Your company maintains a database within formation on your customers, and you are interested in analyzing patterns observed over the past quarter. In particular, 23% of customers in the database place...

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Q: The human resources department of a company is considering using a screening

The human resources department of a company is considering using a screening test as part of the hiring process for new employees and is analyzing the results of a recent study. It was found that 63%...

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Q: A repair shop has two technicians with different levels of training.

A repair shop has two technicians with different levels of training. The technician with advanced training is able to fix problems 92% of the time, while the other has a success rate of 80%. Assume yo...

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Q: It is currently difficult to hire in the technology sector. Your

It is currently difficult to hire in the technology sector. Your company believes that the chances of successfully hiringthisyearare0.13.Giventhatyourcompanyissuccessful in hiring, the chances of fini...

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Q: Your firm is planning a new style of advertising and figures that

Your firm is planning a new style of advertising and figures that the probability of increasing the number of customers is 0.63, while the probability of increasing sales is 0.55. The probability of i...

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