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You are a medical claims processor for Humana. Claims arrive at your desk at an average rate of three claims per day, but the actual number of claims fluctuates from day to day. You believe that the elapsed times between consecutive claims are exponentially distributed. You also know that each claim has a 2/3 chance of being from a female patient, independently of the status of all other claims. The amount paid on a claim from a female patient is random with a mean of $1000 and a standard deviation of $500.
What is the probability that you will pay at least $55,000 in total claims for female patients during the next 30 days?
Find the probability that in a given year a) exactly one major hurricane will strike the U.S. mainland, b) at most one major hurricane will strike the U.S. mainland.
If the answer cannot be calculated, enter zero (0) as your answer. Round to 4 decimal places otherwise. YES, you need, therefore, to look at the 5th decimal place.
Scores for men on the verbal portion of the SAT test are normally distributed with a mean 509 and a standard deviation of 112. Randomly selected men are given the Columbia
individuals filing federal income tax returns prior to march 31 received an average refund of 1056. consifer the
Given the following data on the number of pints of ice cream sod at a local ice cream store for a 6 period time frame. Compute a 3 period moving average for period 4
A standard deck of 52 cards is shuffled thoroughly and n cards are turned up. What is the probability that a face card turns up? For what value of n is the probability about .5?
In government data, a household consists of all occupants of a dwelling unit, while a family consists of two or more persons who live together and are related by blood or marriage. So all families form households, but some households are not famil..
a random sample of 35 gmat scores for applicants to an mba program has a mean score of 479. the researcher is
a group of voters consists of 40 democrats 30 republicans and 20 independents. a sample of 12 voters is chosen at
What are some typical applications of the Binomial and the Poisson probability distribution? Explain with examples. When is the Hypergeometric distribution used?
Is the proportion of men who felt that division of housework was fair greater than the proportion of women who felt the division of housework was fair? Use alpha = .05 for the test.
What is the probabillity that in a random sample of 1,200 undergraduate business students, 336 or more will major in accounting?
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