Question: A marketing team wanted to run a taste test between a particular brand of cola and its major competitor. A random sample of 16 cola

A marketing team wanted to run a taste test between a particular brand of cola and its major competitor. A random sample of 16 cola drinkers was selected. Each was asked to taste a sample of the two colas and say which one they preferred, if any. The order in which the colas were tasted was randomly assigned. Of the 16 testers, 1 preferred the colas equally and 9 preferred cola A. Is there evidence, at the 5% level of significance, that cola A is preferred by cola drinkers?

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