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Suppose that Yn for NB(n,p). Give a normal approximation for P(Yn
Meagan Dubean manages a portfolio of 200 common stocks. Her staff classified the portfolio stocks by 'industry sector' and 'investment objective.'
Thirteen percent of people are left handed. You randomly select 8 persons and ask if they are left-handed. Find the probability that (a) exactly 6 persons
In the following probability distribution, a sociologist surveyed the households in a small town. The random variable x represents number of dependent children
If 70 percent or more of the old bricks in a brickyard meet certain standards, it will be profitable to hire persons to sort the bricks.
Albert Abbasi, VP of Operations at Ingleside International Bank (IIB), is evaluating the service level provided to walk-in customers.
The Happy Valley Machine Works Company loses a shipment of its machines due to an error by one of its three executives (Harry, Sam and Mabel)
The time taken to cycle into College on any day is an independent random variable, which is normally distributed with mean 20 minutes and standard deviation 4
Name a workplace example that show how data collection and representation facilitate probability in the resolution of marketing-related or business problems?
The Senate consists off 100 senators, of whom 34 are Republicans and 66 are Democrats. A bill to increase defense appropriations is before the Senate.
A large research hospital has accumulated statistical data on its patients for an extended period of time.
Each Saturday a shopper visits one of three possible stores. She goes to Store A with probability ½, to Store B with probability ¼, and to Store C
The mean of a normal distribution is 400 pounds. The standard deviation is 10 pounds. a) what is the area between 415 pounds and the mean of 400 pounds?
A retail store experiences the following probability distribution for sales of a product.
The Ludlow Wildcats baseball team, a minor league team in the Cleveland Indians orgainzation, plays 70 precent of their games at night and 30 percent
The personnel department at Hayes Air West is interested in studying the monthly applicant flow for our entry level service jobs
The probability that Traci Muldone will die during the 10-year term of a life insurance policy is assessed by the insurance company at 1/5
Given the probability function P(x)=(2x-1)/16, for x=1,2,3,4.
If the probability of a skin diver in a certain community having untreated diabetes is 0.15, what is the probability that two totally unrelated skin
Simulate the number p. Simulate n uniformly distributed random points in the square K={-1
A certain coin has the same probability of landing heads as it does landing tails - but this coin is special, because it also has a 30% chance of landin
For people with a certain disease, the length of time Y spent in remission is described by the following pdf
An investor owns three common stocks. Each stock, independent of the other, has equally likely chances of:
Nathan wants to approximate a binomial probability by normal curve areas. The number of trials is 50 and the probability of success for each trial is 0.95
Your mail-order company advertises that it ships 90% of its orders within three working days. You select a simple random sample of 100 of the 5000 orders