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On a college entrance exam, each question has five possible answers. If you make a random guess on the 20th question, what is the probability that you are incorrect? I think that P(correct)=1/5...

Historically, a production line produces 6% defective items. The production supervisor takes a sample of 100 items frequently and if he finds 8 or more defective products, he stops the line to make...

35 Blue (B); 20 Large (L), 15 Small (S) 30 Yellow (Y); 5L, 25S 20 Green (G); 15L, 5S 15 Red (R); 10L, 5S    p(the frequency of Y in a sample of 4 selected...

4 fair coins are simultaneously flipped and 1 fair 4-sided die (with numbers 1-4 on the faces) is tossed. What is the probability that the number of heads is equal to the number that comes up on the...

According to a newly published report approximately 43% of adults say filing their tax paperwork is worse than a trip to the dentist. If a random sample of 200 is chosen, the probability that at least...

A local car dealership has the following cars on its lot: 22 Honda SUVs, 47Honda sedans, 15 Ford SUVs, and 36 Ford sedans. You win a raffle that lets you drive away one of these vehicles for free...

In a survey of 300 individual investors regarding subscriptions to the New York Times (NYT), Wall Street Journal (WSJ), and USA Today (UST), the following data were obtained. 120 subscribe to...

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