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The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0.953 g and a standard deviation of 0.309

image text in transcribed The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0.953 g and a standard deviation of 0.309 g. The company that produces these cigarettes claims that it has now reduced the amount of nicotine. The supporting evidence consists of a sample of 30 cigarettes with a mean nicotine amount of 0.874 g. Assuming that the given mean and standard deviation have NOT changed, find the probability of randomly selecting 30 cigarettes with a mean of 0.874 g or less. P(M 0.874 g) Enter your answer as a number accurate to 4 decimal places. NOTE: Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted

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