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The National Safety Council (NSC) estimates that off-the-job accidents cost U.S. businesses almost $200 billion annually in lost productivity (National Safety Council, March 2006). Based on NSC estimates, companies with 50 employees are expected to average three employee off-the-job accidents per year. Answer the following questions for companies with 50 employees.
What is the probability of no off-the-job accidents during a one-year period (to 4 decimals)?
Assuming that the systolic blood pressures of deep sea divers are normally distributed, if the doctor wanted to test her research hypothesis at the .01 level of significance, what is the critical value?
One airport had 28% late arrivals. After a new directing system was installed, a sample of 1200 flights had 322 late arrivals. At the .01 level, did the new system lower the rate of late arrivals? List the null and alternate hypotheses.
What is the probability that an executive who speaks a foreign language has not traveled internationally?
What is the mean of the sampling distribution of the difference between means?
Calculate the reliability over a 37 hour period and what is the steady state availability of the system.
Suppose you are a potential entrant into a market that previously has had entry blocked through the government. Your market research has estimated that the market demand curve for industry is
where time is measured in months and 0
Three students, Jim, Joan, and Jethroe are registered for the same class and attend independently to each other, Jim 95.7% of the time, Joan 92.3% of the time, and Jethroe 82.8% of the time. What is the probability that on any given day:
The time between surface nish problems in a galvanizing process is exponentially distributed with a mean of 40 hours. A single plant operates three galvanizing lines that are assumed to operate independently.
In order to answer the following questions, first draw a density curve describing this distribution. Pay attention to the height of the curve!
Assume that the relationship between the growth of a fish population and the population size can be expressed as g = 2P - 0.1P, where g is the growth in tons and P is the size of the population (in thousands of tons).
Use the given payoff matrix for a simultaneous move one shot game to answer the accompanying questions.
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