Provide an appropriate response. A 90% confidence interval for the percentage of

Question

Provide an appropriate response. A 90% confidence interval for the percentage of airline reservations being cancelled on the day of fight is (1.3%, 5.1%). Assuming there are at least 15 flights cancelled and at least 15 flight not cancelled on the day of flight, what is the point estimate of the percentage of reservations that are cancelled on the day of the flight? 3.80% 5.10% 2.56% 2.55% 3.20% 1.90% Provide an appropriate response. The___ measures how accurate the point estimate likely to be in estimating a parameter. confidence level degree of unbiasedness standard deviation interval estimate margin of error.

Explanation / Answer

Hi,

Firstly, please resport to asking only one question, ask them as separate questions from next time.

a. point estimate of the percentage of reservations is the midpoint i.e (1.3+5.1)/2 which is 3.2%

b. Its margin of error. as it is the definition.

Margin of error is defined as "measures how accurate the point estimate is likely to be in estimating a parameter"

Thumbs up if this was helpful, otherwise let me know in comments. Good day

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