It has been reported that, on average, families in Colorado Springs eat fast food 2.2 times per week with a standard deviation of 1.1 times per week
Assume that the distribution of the number of times that families eat fast food is a normal distribution. What is the likelihood that a family eats fast food more than three times in a single week?
? = 2.2, ? = 1.1, and x = 3. Using Excel: "=1 - NORM.DIST(3,2.2,1.1,TRUE)" = 0.2335. There is a likelihood of 23.35% that a family eats fast food more than three times in one week.
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