To test the following hypotheses at the 0.05 level of significance, using a sample size of n = 15.H0 : 2 = 0.05HA : 2 0.05What is the upper tail critical value?
A) 23.685
B) 24.996
C) 27.488
D) 26.119
Question 2
Most major airlines allow passengers to carry two pieces of luggage (of a certain maximum size) onto the plane. However, their studies show that the more carry-on baggage passengers have, the longer it takes to unload and load passengers.
One regional airline is considering changing its policy to allow only one carry-on per passenger. Before doing so, it decided to collect some data. Specifically, a random sample of 1,000 passengers was selected. The passengers were observed, and the number of bags carried on the plane was noted. Out of the 1,000 passengers, 345 had more than one bag.Based on this sample, develop and interpret a 95 confidence interval estimate for the proportion of the traveling population that would have been impacted had the one-bag limit been in effect.A) (0.3155, 0.3745 )
B) (0.3220, 0.3680 )
C) (0.3216, 0.3684 )
D) (0.3336, 0.3564 )
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