If accrotime does not want to make refunds on more than 12, Ask an Expert

Statistics

Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of 30 months before certain electronic components deteriorate, causing the watch to become unreliable. The standard deviation of watch lifetimes is 7 months, and the distribution of lifetimes is normal.
(a) If Accrotime guarantees a full refund on any defective watch for 2 years after purchase, what percentage of total production will the company expect to replace? (Round your answer to two decimal places.)
. %

(b) If Accrotime does not want to make refunds on more than 12% of the watches it makes, how long should the guarantee period be (to the nearest month)?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9107751

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Suppose it is known that the response time of healthy

Suppose it is known that the response time of healthy subjects to a particular stimulus is a normally distributed random variable with a mean of 15 seconds and a variance of 16. What is the probability that a random samp ...

According to an article in the american heart associations

According to an article in the American Heart Association's publication Circulation, 24% of patients who had been hospitalized for an acute myocardial infarction, did not fill their cardiac medication by the seventh day ...

A food safety guideline is that the mercury in fish should

A food safety guideline is that the mercury in fish should be below 1 part per million? (ppm). Listed below are the amounts of mercury? (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 9 ...

What is the annual coupon rate of a 7-year corporate bond

What is the annual coupon rate of a 7-year corporate bond given that its current price is $930, par = 1,000, semi-annual coupon, YTM=10%?

Zero-coupon bonds with a par value of 1000000 have a

Zero-coupon bonds with a par value of $1,000,000 have a maturity of 10 years and a required rate of return of 9 percent. What is the current price?

1 define and discuss how to develop the free cash flow

1. Define and discuss how to develop the Free Cash Flow forecast? 2. Define and discuss how to develop the Terminal Value? 3. Define and discuss how to develop the Discount Rate?

1 a certain compact disc player randomly plays each of 10

1. A certain compact disc player randomly plays each of 10 songs on a CD. Once a song is played, it is not repeated until all the songs on the CD have been played. In how many different ways can the CD player play the 10 ...

Sppose a and b are collectively exhaustive in addition pa

Suppose A and B are collectively exhaustive. In addition, P(A) = 0.2 and P(B) = 0.8. Suppose C and D are both mutually exclusive and collectively exhaustive. Further, P(C|A) = 0.7 and P(D|B) = 0.5. What are P(C) and P(D) ...

An oil company determines it costs 25000 to sink a test

An oil company determines it costs $25,000 to sink a test well, an oil hit yields a net revenue of $475,000($500,000 gross-$25,000costs), and a natural gas hit yields $125,000 net revenue ($150,000 gross-$25,000 costs). ...

What steps do i take to calculate suppose x has a

What steps do I take to calculate "Suppose x has a distribution with a mean of 40 and a standard deviation of 28. Random samples of size n = 64 are drawn. (the - next to the x indicates that the - is over the x in the qu ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert