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A study determines that 60% of the voters in a town intend to vote for the incumbent mayor. If a sample of 8 people is selected, the approximate probability
Suppose you have 3 nickels, 2 dimes, and 6 quarters in your pocket. If you draw a coin randomly from your pocket, what is the probability
Suppose that an executive of a venture capital investment firm is trying to decide how to allocate his funds among three different projects
It is said that Napoleon assessed probabilities at the battle of waterloo in 1815. his hopes for victory depended on keeping the English and Prussian armies
A survey of 400 customers was completed in an attempt to measure the number of cups of coffee ordered during business hours
A citizen's action committee against nuclear power is comprised of 4 Democrats, 8 Republicans, and 3 Conservatives
The waiting room for jury selection has 40 women and 30 men to choose from. A jury of 12 is selected from these 60 people, what is the probability
Determine expected time and variance for each activity
Resimulate 15 days of barge unloading and compute the average number of barges delayed, average number of barges delayed, average number of nightly arrivals
Suppose a population is normally distributed with a mean of 200 and a standard deviation of 40. The probability that x> 190 is:
The combinations part of the binomial formula compute the:
The net profit of an investment is normally distributed with a mean of $10,000 and a standard deviation of $5,000.
A technician services mailing machines at companies in the Phoenix area. Depending on the type of malfunction, the service call can take 1,2, 3, or 4 hours.
To perform a certain type of blood analysis, lab technicians must perform two procedures. The first procedure requires either one or two separate steps
The following crosstabulation shows household income by educational level of the
Assume that we have two events, A and B, that are mutually exclusive. Assume further that we know P(A) = .30 and P(B) = .40
Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.
A coin is flipped 5 times in a row. What is the probability that it will come up heads all 5 times?
A success, s in Bernoulli trials is often derived from the collection of outcomes. For example, an American roulette wheel consists of 38 numbers
A bag contains 5 apples and 3 oranges. If you select 4 pieces of fruit without looking, how many ways can you get exactly 3 apples?
A bag contains 8 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?
Elly's hot dog emporium is famous for chili dogs. Some customers order hot dogs with hot peppers, while many do not care for the extra zest.
A company is in the process of hiring new employees for its sales force. The Human Resource manager estimates that the following are the probabilities
A study of Furniture Wholesales, Inc. regarding the payment of invoices reveals the time from billing until payment is received follows the normal distribution
The 1996-97 mean annual starting salary for accounting majors was $30,393 (U.S. News On-line. December 28, 1997).