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Let the random variable X have the p.d.f.
Expectation of product of independent stochastic variables
Share the practical applications of the study, How would the results of this survey be used in the workplace?
Katherine D'Ann is planning to finance her college education by selling Programs at the football games for State University. There is a fixed cost of $400
A box contains 10 components of which 4 are damaged. You select 3 components from the box, one at a time without replacement
A baseball team loses $10,000 foe each Consecutive day it rains. Say X,the number of consecutive days it rains at the beginning of the season
Let X have a Poisson distribution with a mean of 4. Find
The assistants have .50 probability of going on strike, .40 the pilots and .15 that both go on strike.
It supposes that a procedure produces a binomial distribution with a repeated test n times. It uses a-1 table to calculate the probability of x successes
50% probability a customer will walk through the door needing customer service. What percent of the time would you expect less than 4 customers
Births of Twins The probability that a birth will result in twins is .012. Assuming independence (perhaps not a valid assumption), what are the probabilities
An insurance company sells an automobile policy with a deductible of one unit. Let X be the amount of the loss having p.m.f.
A random variable X has a binomial distribution with mean 6 and variance 3.6. Find P(X = 4).
Blood cocaine concentration (mg/L) was determined both for a sample of individuals who had died from cocaine-induced excited delirium (ED)
A metropolitan school system consists of two districts- north and south. the north district contains 60% of all students, and the south district
A group of n people meet at lunch for a cup of coffee. They play a game to see who gets to pay for all the coffees. Each person flips a coin
Bob Jones of the Alaskan Bears baseball club had the highest batting average in the 2000 Major League Baseball season. His average was .335
According to a recent census, 52.2% of New York residents are male. Suppose a group of 100 New York residents are selected at random.
Age effects in medical care. The type of medical care a patient receives may vary with the age of the patient. A large study of women who had a breast lump
The weekly salaries of teachers in one state are normally distributed with a mean of $490 and a standard deviation of $45.
A market research firm conducts telephone surveys with a 40% historic response rate. What is the probability that in a new sample of 400 telephone numbers
A financial advisor has recommended two possible mutual funds for investment: Fund A and Fund B. The return that will be achieved by each of these
The table below describes the smoking habits of a group of asthma sufferers.
Two hundred raffle tickets are sold. Your friend has 5 people in her family who each bought two raffle tickets.
The events A and B are mutually exclusive. Suppose P(A) = .30 and P(B) = .20. What is the probability of either A or B occurring? What is the probability