(d) Would it be unusual if more than 7 of them weigh more than 20 pounds?

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A: We have given thatn = 250x = 75p̂ = x/n = 75/250 =  0.30p = 24% = 0.24

Q: For a sample with s = 9, a score of X = 67 corresponds to z = +1.00. What is the sample mean?

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Q: A fitness center is interested in finding a 95% confidence interval for the mean number of days per…

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Q: 5)The Internal Revenue Service reports that the mean federal income tax paid in the year was $8040.…

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