An Airline Claims That the No-Show Rate for Passengers Is $\hat { \mathrm { p } }$

question 78

Essay

An airline claims that the no-show rate for passengers is less than 5 % . In a sample of 420 randomly selected reservations, 19 were no-shows. At α = 0.01, test the airline's claim. Round $\hat { \mathrm { p } }$ to the nearest thousandth when calculating the test statistic.

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