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The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 9.3 mg and a standard deviation of 1.57
The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 9.3 mg and a standard deviation of 1.57 mg. Find the probability of randomly selecting a cigarette with 6 mg of nicotineor less.
P(X< 6 mg) =
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