In a Gallup poll of 1236 adults, it was found that 5% of those polled said that
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In a Gallup poll of 1236 adults, it was found that 5% of those polled said that bad luck occurs after breaking a mirror. Based on these results, such randomly selected groups of 1236 adults will have a mean of 61.8 people with that belief, and a standard deviation of 7.7 people. What is the variance? (Express the answer including the appropriate units.)
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