Heritage Union has said that 66% of U.S. adults have purchased life insurance. Suppose that for a random sample of 50 adults from a given U.S. city, a researcher finds that only 56% of them have purchased life insurance. At the 0.05 level in a one-tail test, is this sample finding significantly lower than the 66% reported by Heritage Union? Determine and interpret the p-value for the test.
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