High airline occupancy rates on scheduled flights are essential to corporate profitability. Suppose a scheduled flight must average at least 90% occupancy in order to be profitable. An analyst wants to examine the profitability of a specific route. She believes that the airline has a greater than 90% occupancy rate. She examines the record of the occupancy rate of one hundred, 10:00 A.M. flights from Atlanta to Houston. Of the 100 flights 92 had an occupancy rate of 90% or more. Use alpha =.05

a) Write the null and research hypotheses

b) Is it a one tail or two tail test?

c) Draw the acceptance and rejection regions

d) Compute the Z statistic

e) Test the analyst's hypothesis,