A marketing research company desires to know the mean consumption of milk per week among males over age 22. They believe that the milk consumption has a mean of 4 liters, and want to construct a 80% confidence interval with a maximum error of 0.09 liters. Assuming a variance of 0.49 liters, what is the minimum number of males over age 22 they must include in their sample? Round your answer up to the next integer.

Q: A parenting magazine reports that the average amount of wireless data used by teenagers each month…

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Q: A parenting magazine reports that the average amount of wireless data used by teenagers each month…

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A:

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A: A) The population standard deviation is 1.3 hours.

Q: A professor believes that, for the introductory art history classes at his university, the mean test…

A: Given Data : For evining classes x̄1 = 85.6 σ1 = 4.6 n1 = 250 For…

Q: A parenting magazine reports that the average amount of wireless data used by teenagers each month…

A: In hypothesis testing, we start by stating the null hypothesis (H0) and the alternative hypothesis…

Q: A marketing research company desires to know the mean consumption of milk per week among people over…

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A:

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Q: Choose the appropriate statistical test. When computing, be sure to round each answer as indicated.…

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Q: A parenting magazine reports that the average amount of wireless data used by teenagers each month…

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A: Given: μ=375s=70n=36x¯=396

Q: 2 of 3 :   Compute the value of the test statistic. Round your answer to two decimal places.

A: n1=250,n2=200