Question
Suppose a scheduled airline flight must average at least62% occupancy in order to be profitable to the airline. Occupancy rates were recorded daily for a
Suppose a scheduled airline flight must average at least62% occupancy in order to be profitable to the airline. Occupancy rates were recorded daily for a regularly scheduled flight on each of120 days,showing a mean occupancy per flight of59% and a standard deviation of10%.
(A) Do the occupancy data for the 120 flights suggest that this scheduled flight is unprofitable? Test using= 0.05.(Round your answers to two decimal places. If the test is one-tailed, enter NONE for the unused region.)
test statistic z= ______
rejection region z > _______
z < ______
Ground beef is packaged in small trays, intended to hold1 poundof meat. A random sample of30packagesin the small tray produced weight measurements with an average of1.04poundsand a standard deviation of0.12pounds.
(b) Find thep-value (Round your answer to four decimal places.)
p-value =_______
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