Suppose that Dunlop Tire manufactures a tire with a lifetime that approximately follows a normal distribution with
Question:
(a) What proportion of the tires will last at least 75,000 miles?
(b) Suppose that Dunlop warrants the tires for 60,000 miles. What proportion of the tires will last 60,000 miles or less?
(c) What is the probability that a randomly selected Dunlop tire lasts between 65,000 and 80,000 miles?
(d) Suppose that Dunlop wants to warrant no more than 2% of its tires. What mileage should the company advertise as its warranty mileage?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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a z 75000 700004400 114 From Table V the area to the left of z 114 is 08729 so P X 75000 1 08729 01...View the full answer
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