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Let the random variable X be the weight of a box of Cheerios cereal. This variable has a Normal distribution with mean=18 ounces and standard...

Let the random variable X be the weight of a box of Cheerios cereal. This variable has a Normal distribution with mean=18 ounces and standard deviation= 0.3 ounces.


a) Draw the Normal density curve for X, marking the mean and the 6 values that demonstrate the

68, 95, 99.7 rule.


b.)What percent of the boxes have a weight between 17.4 and 18.6 ounces?


c)What percent of the boxes have a weight between 17.1 and 18.9 ounces?


d)What is the probability that a randomly selected box of Cheerios has a weight equal to 18.6 ounces?


e)What is the probability that a randomly selected box of Cheerios weighs below 17.1 ounces?


f)What is the probability that a randomly selected box of Cheerios has a weight between 17.7 and 18 ounces?

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