The data shown represent the cigarette tax (in cents) for 50 selected states. Check for normality.
Answer to relevant QuestionsThe data shown represent the box office total revenue (in millions of dollars) for a randomly selected sample of the top-grossing films in 2009. Check for normality. Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are normally distributed with a standard deviation of $1500, find these probabilities. a. The student makes more than $15,000. b. The ...According to the U.S. Census, 67.5% of the U.S. population was born in their state of residence. In a random sample of 200 Americans, what is the probability that fewer than 125 were born in their state of residence? A political candidate estimates that 30% of the voters in her party favor her proposed tax reform bill. If there are 400 people at a rally, find the probability that at least 100 voters will favor her tax bill. Based on your ...In a large university, 30% of the incoming first-year students elect to enroll in a personal finance course offered by the university. Find the probability that of 800 randomly selected incoming first-year students, at least ...
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