The 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.
Answer to relevant QuestionsThe data shown represent the number of runs made each year during Bill Mazeroski’s career. Check for normality. 30 59 69 50 58 71 55 43 66 52 56 62 36 13 29 17 3 The mean number of miles driven per vehicle annually in the United States is 12,494 miles. Choose a randomly selected vehicle, and assume the annual mileage is normally distributed with a standard deviation of 1290 miles. ...Recall that for use of a normal distribution as an approximation to the binomial distribution, the conditions np ≥ 5 and nq ≥ 5 must be met. For each given probability, compute the minimum sample size needed for use of ...The percentage of female Americans 25 years old and older who have completed 4 years of college or more is 26.1. In a random sample of 200 American women who are at least 25, what is the probability that at most 50 have ...Of the total population of the United States, 20% live in the northeast. If 200 residents of the United States are selected at random, find the probability that at least 50 live in the northeast.
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