1. Claim: Fewer than 92% of adults have a cell phone. In a reputable poll of 1243 adults, 87% said that they have a cell phone. Find the value of the test statistic.
2. Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 135 adult males, the mean pulse rate is 69.2 bpm and the standard deviation is 11.2 bpm. Find the value of the test statistic.
3. Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 597 randomly selected adults showed that 60% of them would erase all of their personal information online if they could. Find the value of the test statistic.
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