Question

It is important for airlines to follow the published scheduled departure times of flights. Suppose that one airline that recently sampled the records of 246 flights originating in Orlando found that 10 flights were delayed for severe weather, 4 flights were delayed for maintenance concerns, and all the other flights were on time.
a. Estimate the percentage of on-time departures using a 98% confidence level.
b. Estimate the percentage of flights delayed for severe weather using a 98% confidence level.


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  • CreatedJuly 07, 2015
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