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Question 4 [5+5=10 marks](A) An architect estimates that the average height of the buildings of30 or more stories in Suva is at least 500 feet. A random sample of 12buildings is selected, and the heights in feet are shown. At ?= 0.025,is there enough evidence to reject the claim?634 385 411 741 625 515345 420 435 535 516 482(B) A survey by Menâs Health magazine stated that 40% of men saidthey used alcohol to reduce stress. At ? = 0.10, test the claim that arandom sample of 100 men was selected and 30 said that they usedalcohol to reduce stress. Use the P-value method.
