According to a front-page article in The Wall Street Journal, 30% of all students in American universities miss classes due to drinking.8 If 10 students are randomly chosen, what is the probability that at most 3 of them miss classes due to drinking?
Answer to relevant QuestionsAccording to an article in USA Today, 60% of 7- to 12-year-olds who use the Internet do their schoolwork on line. If 8 kids within this age group who use the Internet are randomly chosen, what is the probability that 2 of ...Find the following probabilities: P(-1 < Z < 1), P(-1.96 < Z < 1.96), P (-2.33 < Z < 2.33). For a normal random variable with mean 650 and standard deviation 40, find the probability that its value will be below 600. Under the system of floating exchange rates, the rate of foreign money to the U.S. dollar is affected by many random factors, and this leads to the assumption of a normal distribution of small daily fluctuations. The rate of ...For a normal random variable with mean 19,500 and standard deviation 400, find a point of the distribution such that the probability that the random variable will exceed this value is 0.02.
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