Problem 3: The mean yearly mileage of the vehicles in a delivery company's fleet is 51,400 miles, with a standard deviation of 4,800 miles. You take a random sample of 30 vehicles and another of 45 vehicles. What is the probability that the difference between the mean mileage of the two samples will be a) less than 2,000 miles? b) More than 500?

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A: GIVEN DATA  normal distribution μ = 490σ =95 for top 5% : x= ?

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A: Solution

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Q: How do I solve this? I tried 67% and 68% but there were both wrong. So where am I going wrong

A: Given that   x̄±0.99(σ/√n)

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A: Total number of cards=52. Total number of ace cards=4.

Q: You have 11 books, and a bookshelf that has room for 6 of them. How many ways can you arrange the…

A: Given that, The total no.of books is, n = 11 The no.of books on the bookshelf is, r = 6

Q: 2 You are given a bag of jelly beans. There are 7 red, 8 blue, 4 yellow, and 10 pink. Find the beans…

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Q: 2. For any r.V. S X1,..., Χη, set (a) Show that η X x - Σxi, and 52 - Σ - x). = Σ(x η i=1 i=1 n n…

A: Solution

Q: 14. If you roll 6 six-sided dice, find the following probabilities: (a) The probability that the sum…

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Q: Which of the given answer statements is TRUE for the following sets? A = {-5, -4, -3, -2, -1, 0, 1,…

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Q: A U.S. government survey in 2007 said that the proportion of young Americans that earn a high school…

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Q: a) Does the graph have any Euler Circuits? If yes, list one. b) Does the graph have any Euler Paths?…

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