Questions from Statistics Principles


Q: n = 100, p = 0.05, x =

n = 100, p = 0.05, x = 50

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Q: n = 75, p = 0.75, x =

n = 75, p = 0.75, x = 60

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Q: n = 85, p = 0.8, x =

n = 85, p = 0.8, x = 70

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Q: According to American Airlines, Flight 215 from Orlando to Los Angeles

According to American Airlines, Flight 215 from Orlando to Los Angeles is on time 90% of the time. Randomly select 150 flights and use the normal approximation to the binomial to (a) approximate the p...

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Q: In a recent poll, the Gallup Organization found that 45%

In a recent poll, the Gallup Organization found that 45% of adult Americans believe that the overall state of moral values in the United States is poor. Suppose a survey of a random sample of 500 adul...

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Q: In the Healthy Handwashing Survey conducted by Bradley Corporation, it was

In the Healthy Handwashing Survey conducted by Bradley Corporation, it was found that 64% of adult Americans operate the flusher of toilets in public restrooms with their foot. Suppose you survey a ra...

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Q: According to a study done by Nick Wilson of Otago University Wellington

According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly selected individual will not cover his or her mouth when sneezing is 0.267. Suppose you sit on a ben...

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Q: According to the Current Population Survey (Internet release date: September

According to the Current Population Survey (Internet release date: September 15, 2004), 55% of males between the ages of 18 and 24 years lived at home in 2003. (Unmarried college students living in a...

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Q: According to the Current Population Survey (Internet release date: September

According to the Current Population Survey (Internet release date: September 15, 2004), 46% of females between the ages of 18 and 24 years lived at home in 2003. (Unmarried college students living in...

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Q: The presider of a guest-lecture series at a university stands

The presider of a guest-lecture series at a university stands outside the auditorium before a lecture begins and hands every fifth person who arrives, beginning with the third, a speaker evaluation su...

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