random variable X = weight of a randomly selected bag of chips can be modeled by a normal distribution with  µ=11.75 ounces and  σ=0.09 ounces Using the 68-95-99.7 rule, which of the following is correct? I. The probability that a randomly selected bag of chips weighs between 11.66 ounces and 11.93 ounces is about 0.815. II.  P(X < 11.93)=0.997 III. P(X≥ 11.84) =0.84

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