Question

20. Lifetimes of a certain brand of tires are approximately normally distributed with mean 40,000 miles...

20. Lifetimes of a certain brand of tires are approximately normally distributed with mean 40,000 miles and standard deviation 2,500 miles. If the company making the tires did not want to replace more than 3% of the tires, what is the lowest mileage the company should make for the warranty? Show all work do not round.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #2

Dear student,
I am waiting for your valuable feedback. I have given my 100% to solve your problem.So,Please rate us if you are satisfied.
Thank you.

answered by: anonymous
0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
19. Lifetimes of a certain brand of tires are approximately normally distributed with mean 40,000 miles...
19. Lifetimes of a certain brand of tires are approximately normally distributed with mean 40,000 miles and standard deviation 2,500 miles. What is the probability that the tires last less than 34,000 miles? 20. Lifetimes of a certain brand of tires are approximately normally distributed with mean 40,000 miles and standard deviation 2,500 miles. If the company making the tires did not want to replace more than 3% of the tires, what is the lowest mileage the company should make...
A lifetime of certain brand of tires is normally distributed with the mean of 80, 000...
A lifetime of certain brand of tires is normally distributed with the mean of 80, 000 kilometers and a standard deviation of 6000 kilometers. a. Probability that a randomly selected tire will have lifetime 70,000 kilometers or more is __________ b. The percent of tires with lifetimes between 65, 000 kilometers and 85, 000 kilometers is ______________ c. The manufacturer of tires wants to establish the warranty on the tires. He wants to replace for free only 4% of the...
A tire company finds the lifespan for one brand of its tires is normally distributed with...
A tire company finds the lifespan for one brand of its tires is normally distributed with a mean of 48,100 miles and a standard deviation of 3,000 miles. If the manufacturer is willing to replace no more than​ 10% of the​ tires, what should be the approximate number of miles for a​ warranty? a. 43,165 b. 44,260 c. 53,035 d. 51,940
.The lifetimes of a certain brand of LED light bulbs are normally distributed with a mean...
.The lifetimes of a certain brand of LED light bulbs are normally distributed with a mean of 53,400 hours and a standard deviation of 2500 hours.A.If the company making these light bulbs claimed that they would last at least 50,000 hours. What proportion of light bulbs would meet the claim and last at least 50,000 hours? (12)B.The company’s marketing director wants the claimed figure to be where 98% of these new light bulbs to last longer than the amount claimed...
Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is...
Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean of 40 and a standard deviation of 5. (a) Find the 14th percentile of tire lifetimes. (b) Find the 66th percentile of tire lifetimes. (c) Find the third quartile of the tire lifetimes. (d) The tire company wants to guarantee that its tires will last at least a certain number of miles. What number of miles (in thousands) should the...
Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is...
Tire lifetimes: The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean =μ41 and a standard deviation =σ4 . (a) Find the 13th percentile of tire lifetimes. (b) Find the 65th percentile of tire lifetimes. (c) Find the first quartile of the tire lifetimes. (d) The tire company wants to guarantee that its tires will last at least a certain number of miles. What number of miles (in thousands) should the company...
The lifetimes of a certain brand of LED light bulbs are normally distributed with a mean...
The lifetimes of a certain brand of LED light bulbs are normally distributed with a mean of 53,400 hours and a standard deviation of 2500 hours. A. If the company making these light bulbs claimed that they would last at least 50,000 hours. What proportion of light bulbs would meet the claim and last at least 50,000 hours? (12) B. The company’s marketing director wants the claimed figure to be where 98% of these new light bulbs to last longer...
A mechanic sells a brand of automobile tire that has a life expectancy that is normally​distributed,...
A mechanic sells a brand of automobile tire that has a life expectancy that is normally​distributed, with a mean life of 30,000 miles and a standard deviation of 2500 miles. He wants to give a guarantee for free replacement of tires that​don’t wear well. How should he word his guarantee if he is willing to replace approximately 10% of the​tires? Tires that wear out by _____________ miles will be replaced free of charge.
The life of a certain type of automobile tire is normally distributed with mean 34,000 miles...
The life of a certain type of automobile tire is normally distributed with mean 34,000 miles and standard deviation 4000 miles. If a sample of 64 tires are independently selected, what is the probability that the sample’s average life is between 33,500 and 34,125 miles?
A tire company claims that the lifetimes of its tires average 50500 miles. The standard deviation...
A tire company claims that the lifetimes of its tires average 50500 miles. The standard deviation of tire lifetimes is known to be 5500 miles. You sample 150 tires and will test the hypothesis that the mean tire lifetime is at least 50500 miles against the alternative that it is less. Assume, in fact, that the true mean lifetime is 50000 miles. You are given the opportunity to sample more tires. How many tires should be sampled in total so...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT