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What is the preferred wayfor people to order fast food? A survey was conducted in 2009, but the samplesizes were not reported. Suppose the results, based on a sample of 100 males and 100 females,were as follows:
GENDER
DINING PREFERENCE Male Female Total
Dine inside 21 12 33
Order inside to go 19 10 29
Order at the drive-through 60 78 138
Total 100 100 200
a. Given that a respondent is a male, what is the probability thathe prefers to order at the drive-through?
b. Given that a respondent is a female, what is the probabilitythat she prefers to order at the drive-through?
c. Is dining preference independent of gender? Explain
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What is probability that Tim gets exactly 12 emails on a particular day?
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A study was done to test the claim that discharging a newborn infant discharged early (less than 30 hours after birth) is related to re-hospitalization of that infant within a week of discharge.
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Describe the assumptions of normality and homogeneity of variance. When these assumptions are violated, what are your options? Are there cases in which the assumptions may technically be violated, yet have no impact on your intended analyses? Explain
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