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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).
A school in Bangkok requires that students take an entrance examination. After the examination, there is a drawing where 5 students are randomly selected
A side effect of a certain anesthetic used in surgery is the hiccups, which occurs in about 10% of the cases.
An experiment consists of tossing an ordinary coin five times. Recall that an experiment can produce one or more sample spaces
Of the 47 people who answered "yes" to a question, 8 were male. Of the 100 people who answered"no" to the question, 12 were male.
If you determine that for the graph of a standard normal distribution the cumulative area to the left of a z core is 0.4, what is the cumulative area
An army is composed of 5 divisions. Each division has 10,000 soliders. In each regiment the desertion rate is 2 soldiers per month. DESERTERS ARE REPLACED.
Write a program to compute binomial probabilities and compare the results with the Poisson approximation for the following cases:
One must select from a set of 12 components that are known to contain 4 faulty components.
An auto insurance agency was investigating accident rates for drivers in different age groups. The following contingency provides a joint probability
You would like to help some of your math-deficient friends understand probability before they loose too much on lottery tickets