According to results from the analysis of chocolate bars in Chapter 3, the mean number of insect fragments was 14.4 in 225 grams. Assume the number of fragments follows a Poisson distribution. (a) What is the mean number of grams of chocolate until a fragment is detected? (b) What is the probability that there are no fragments in a 28.35-gram(one-ounce) chocolate bar? (c) Suppose you consume seven one-ounce(28,35-gram) bars this week. What is the probability of noinsect fragments?

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