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The Safety Council estimates that off-the-job accidents cost businesses almost $500 billion annually in lost productivity. Based on their estimates, companies with hundred employees are expected to have six off-the-job accidents per year.
a) What is the probability of no off-the-job accidents during the next six months?
b) What is the probability of at least four off-the-job accidents during a one-year period?
c) What is the probability that the number of off-the-job accidents is more than two but less than six during a four-month period?
d) What is the probability of at the most three off-the-job accidents during the next eight months?
Design an imaginary study or discuss an actual study you've read about that has an experimental or quasi-experimental design that used or would use t-tests or ANOVAs in the data analysis.
the weight of each client at a weight -loss clinic is measured. the variable is a cannot determine b
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How many would you expect to have a drug problem? What is the standard deviation? What is the likelihood that none of the workers sampled has a drug problem? What is the likelihood at least one has a drug problem?
In order to evaluate the rate of error experienced in reading chest x-rays, the following experiment is done. Several people with known tuberculosis (TB) status (through other reliable tests) are subjected to chest x-rays.
in a study of the effectiveness of a fabric device that acts like a support stocking for a weak or damaged heart 110
a laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 40 minutes
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A drug manufacturer wants to estimate the effect of its new drug designed to increase patients white blood cell count.
Assume that another counselor decided to extend the aforementioned study by collecting data on 14 children. His study yielded the following results:
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