4. A cola manufacturer invited consumers to take a blind taste test. Consumers were asked to decide which of two sodas they preferred. The manufacturer was also interested in what factors played a role in taste preferences. Below is a printout comparing the taste preferences of men and women. favour Brand 1 favour Brand 2 Total Male 100 15 115 Female 40 16 56 Suppose the manufacturer wanted to determine if the males preferred brandl more than the females using a = = 0.04

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