Questions from Statistics


Q: Determine whether you can use a normal distribution to approximate the binomial

Determine whether you can use a normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs...

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Q: Determine whether you can use a normal distribution to approximate the binomial

Determine whether you can use a normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs...

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Q: Thirty-six percent of U.S. adults have postponed

Thirty-six percent of U.S. adults have postponed medical checkups or procedures to save money. You randomly select nine U.S. adults. Find the probability that the number of U.S. adults who have postpo...

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Q: a. construct a probability distribution, and b. graph

a. construct a probability distribution, and b. graph the probability distribution using a histogram and describe its shape. The number of hours students in a college class sl...

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Q: Determine whether you can use a normal distribution to approximate the binomial

Determine whether you can use a normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs...

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Q: About 3.3% of hourly paid U.S.

About 3.3% of hourly paid U.S. workers earn the prevailing minimum wage or less. A grocery chain offers discount rates to companies that have at least 30 employees who earn the prevailing minimum wage...

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Q: A survey of U.S. adults found that 8%

A survey of U.S. adults found that 8% believe the biggest problem in schools today is poor teaching. You randomly select a sample of U.S. adults. Find the probability that more than 100 U.S. adults be...

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Q: The figure shows the results of a survey of U.S

The figure shows the results of a survey of U.S. adults ages 33 to 51 who were asked whether they participated in a sport. Seventy percent of U.S. adults ages 33 to 51 said they regularly participated...

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Q: The sample size n, probability of success p, and probability

The sample size n, probability of success p, and probability of failure q are given for a binomial experiment. Determine whether you can use a normal distribution to approximate the distribution of x....

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Q: The figure shows the results of a survey of U.S

The figure shows the results of a survey of U.S. adults ages 33 to 51 who were asked whether they participated in a sport. Seventy percent of U.S. adults ages 33 to 51 said they regularly participated...

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