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A heating and cooling company advertises that any customer buying an air conditioner during the first 16 days of July will receive a 25 percent discount if the average high temperature for this 16-day period is more than five degrees above normal. Daily high temperatures in July are normally distributed with a mean of 84 degrees and a standard deviation of 8 degrees. What is the probability that there aren't any days over 80 degrees in the first 16 days of July?

Reference no: EM132495629

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