It is knоwn thаt the аverаge spring flight delay at a regiоnal airpоrt is 42 minutes with variance 36 minutes². A new carrier, Lucky Clover Airlines, claims that its delays are shorter. Last month, across 49 Lucky Clover flights, the average delay was 40.5 minutes. a) Is there evidence to support the claim that Lucky Clover passengers wait less? Use α = 0.05.b) Give a 95% confidence interval for the new average flight delay time.