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. 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.