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What is the probability that a typical family will purchase

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A number of tubes of toothpaste purchased by a typical family is a random variable having a Poisson distribution with an average of 1,8 tubes per month. What is the probability that a typical family will purchase 1) at least 3 tubes of toothpaste in any given month? 2) less than 2 tubes of toothpaste in any given month?

Reference no: EM13261577

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