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A chemical plant has an emergency alarm system. When an emergency situation exists, the alarm sounds with probability 0.95.
When the economic situation is “high,” a certain economic indicator rises with probability 0.6.
An oil explorer orders seismic tests to determine whether oil is likely to be found in a certain drilling area. The seismic tests have a known reliability.
Before marketing new products nationally, companies often test them on samples of potential customers. Such tests have a known reliability.
A market research field worker needs to interview married couples about use of a certain product. The researcher arrives at a residential building.
AT&T was running commercials in 1990 aimed at luring back customers who had switched to one of the other long-distance phone service providers.
The probability that a builder of airport terminals will win a contract for construction of terminals in country A is 0.40.
The probability that a consumer entering a retail outlet for microcomputers and software packages will buy a computer of a certain type is 0.15.
The probability that the graduating senior will both pass the CPA examination and get a job offer is 0.40.
The probability that production will increase if interest rates decline more than 0.5 percentage point for a given period is 0.72.
The automaker conducts a survey of potential buyers of its highperformance sports car and finds that 35% of the potential buyers.
Fifteen locations in a given area are believed likely to have oil. An oil company can only afford to drill at eight sites, sequentially chosen.
In 2003, there were 5,732 deaths from car accidents in France. The population of France is 59,625,919.
A device has three components and works as long as at least one of the components is functional.
The accompanying table shows the incidence of malaria and two other similar illnesses. If a person lives in an area affected by all three diseases.
A recent survey conducted by Towers Perrin and published in the Financial Times showed that among 460 organizations in 13 European countries.
Credit derivatives are a new kind of investment instrument: they protect investors from risk.
The probabilities that three drivers will be able to drive home safely after drinking are 0.5, 0.25, and 0.2, respectively.
What is the probability that at least one of the four elements will come from the bottom quartile of the distribution?
Each department is expected to send one representative to a meeting with the company president. How many possible sets of representatives are there?
A committee is evaluating six equally qualified candidates for a job. Only three of the six will be invited for an interview; among the chosen three, the order.
Three elements are randomly chosen out of the shipment. What is the probability that all three faulty elements will be the ones chosen?
The jackpot depends on the number of players and is usually worth several million dollars. What is the probability of winning the jackpot?
Management of the raiding firm further believes that the chances for a resignation of the member in question are 0.70.
According to USA Today, 65% of Americans are overweight or obese. If five Americans are chosen at random, what is the probability that at least one of them.