Question: The mean number of miles driven per vehicle annually in
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. What is the probability that the vehicle was driven more than 15,000 miles? Less than 8000 miles? Would you buy a vehicle if you had been told that it had been driven less than 6000 miles in the past year?
Answer to relevant QuestionsExplain why a normal distribution can be used as an approximation to a binomial distribution. What conditions must be met to use the normal distribution to approximate the binomial distribution? Why is a correction for ...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 ...The probability of winning on a slot machine is 5%. If a person plays the machine 500 times, find the probability of winning 30 times. Use the normal approximation to the binomial distribution. The heights (in feet above sea level) of a random sample of the world’s active volcanoes are shown here. Check for normality.
Post your question