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In one 8-hour work day we observed someone use the water cooler on 48 separate occasions. Let X be the number of times the water

In one 8-hour work day we observed someone use the water cooler on 48 separate occasions. Let X be the number of times the water cooler is used tomorrow. What is the probability that X is between 40 and 50? You can find the exact answer or use a normal approximation; pick the option that is closest to your answer.

48%

54%

63%

98%

22%

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