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Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1218 adults, 83% said that they have a cell phone.

Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1218 adults, 83% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)

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