1-The National Safety Council (NSC) estimates that off-the-job accidents cost U.S. businesses almost $200 billion annually in lost productivity (NSC, March 2006). Based on NSC estimates, companies with 50 employees are expected to have on average 3 off-the-job accidents per year. What is the probability of no off-the-job accidents during a one-year period [for companies with 50 employees]? 2-Suppose that the grades in ECON224 are uniformly distributed between 45 and 99. What is the probability of getting a grade of 90 and above? 3-According to a recent survey, 20% of people in Regina use public transit to get to work while 80% use private transportation. If you take a sample of 10 people, what is the probability that 4 of them will use public transportation?
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