Accidents occur in a factory at the rate of 3 per week. Assume that accidents happen randomly

Accidents occur in a factory at the rate of 3 per week. Assume that accidents happen randomly and independently of each other. a) What is the probability that the time to the first accident is greater than 2 weeks? Answer to 4 places past the decimal. 1226* Tries 0/5 b) What is the probability that the time to the first accident is less than 3 days (3/7 week)? Answer to 3 places past the decimal. **** Tries 0/5 c) What is the mean time in weeks) to the first accident? Answer to 2 places past the decimal #2** Tries 0/5 d) What is the variance of the time in weeks) to the first accident? Answer to 2 places past the decimal 理交寄業 Tries 0/5


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