Question: 50. One-Sided Confidence Interval A one-sided confidence interval for p can be expressed as or where the margin of error E is modified by replacing

50. One-Sided Confidence Interval A one-sided confidence interval for p can be expressed as or where the margin of error E is modified by replacing with If Air America wants to report an on-time performance of at least x percent with 95% confidence, construct the appropriate one-sided confidence interval and then find the percent in question. Assume that a simple random sample of 750 flights results in 630 that are on time.

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