3. Alpha Airlines claims that only 15% of its flights arrive more than 10 minutes late. Let p be the proportion of all of Alpha’s flights that arrive more than 10 minutes late. Suppose we take a random sample of 50 flights by Alpha Airlines.and we found that there are 5 flights  which arrived more than 10 minutes late. a. construct a 90% confidence interval for the proportion of all of Alpha’s flights that arrive more than 10 minutes late. b. Test at the 2% significance level whether the Alpha Airlines’s claim is true

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A:

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A: According to the given information in this question We need to construct 85% confidence interval

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A:

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Q: Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of…

A:

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