A household receives an average of 1.7 pieces of junk mail per day. Find the probability that this household will receive exactly 3 pieces of junk mail on a certain day. Use the Poisson probability distribution formula.
Answer to relevant QuestionsA commuter airline receives an average of 9.7 complaints per day from its passengers. Using the Poisson formula, find the probability that on a certain day this airline will receive exactly 6 complaints. A large proportion of small businesses in the United States fail during the first few years of operation. On average, 1.6 businesses file for bankruptcy per day in a particular large city. a. Using the Poisson formula, find ...On average, 20 households in 50 own answering machines. a. Using the Poisson formula, find the probability that in a random sample of 50 households, exactly 25 will own answering machines. b. Using the Poisson probabilities ...At the Bank of California, past data show that 8% of all credit card holders default at some time in their lives. On one recent day, this bank issued 12 credit cards to new customers. Find the probability that of these 12 ...Let x be the number of homes sold per week by all four real estate agents who work at a realty office. The following table lists the probability distribution of x. Calculate the mean and standard deviation of x. Give a brief ...
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