What percent of the tires are likely to wear out

Assignment Help Basic Statistics
Reference no: EM13131010

A tire company tested a particular model of super radial tire and found the tires to be normally distributed with respect to wear. The "average" (mean) tire wore out at 41,000 miles, and the standard deviation was 4000 miles. Approximately what percent of the tires are likely to wear out before 40,200 miles?

Reference no: EM13131010

Questions Cloud

Prepare a schedule of expected cash collections : From past experience, the company has learned that 20% of a month's sales are collected in the month of sale, another 70% are collected in the month following sale, and the remaining 10% are collected in the second month following sale. Bad debts ..
Opposing negotiating strategies meet to negotiate a deal : What techniques need to be employed by both parties when these two opposing negotiating strategies meet to negotiate a deal?
Explain reaction of methanoic and ethanoic acids : Reaction of methanoic and ethanoic acids with CaCO3, If I have a 1 liter aqueous solution that contains 15 mg/L methanoic acid and 15 mg/L ethanoic acid
What amount of dividends will a shareholder owning share : What amount of dividends will a shareholder owning 100 shares receive in 2011 if Emily pays $1,000,000 in dividends?
What percent of the tires are likely to wear out : The "average" (mean) tire wore out at 41,000 miles, and the standard deviation was 4000 miles. Approximately what percent of the tires are likely to wear out before 40,200 miles?
Calculate and journalize the foreign exchange : An error was discovered during 2007. Specifically, depreciation expense was understated in 2005 resulting in the need for a Prior Period Adjustment of $25,000 before taxes.
Report on the income statement : A supplies account has a balance of $810 at the beginning of the year and was debited during the year for $1,950, If $650 of supplies are on hand at the end of the year, the supplies expense to be reported on the income statement for the year woul..
Explain how much will abc have in the account after five yr : Assume ABC Company deposits $50,000 with First National Bank in an account earning interest at 6% per annum, compounded semi-annually. Explain how much will ABC have in the account after five years if interest is reinvested?
Find probability that both husband-wife listening to radio : 30% of the time the wife is listening to the radio. Find the probability that:a. If the wife is listening to the radio, the husband is also listening to the radio.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Normal distribution to determine the probability of defects

Motorola used the normal distribution to determine the probability of defects and the number of defects expected in a production process.

  Extent of wound healing by treatment

Is there a difference in the extent of wound healing by treatment? (Hint: Are treatment and the percent wound healing independent?) Run the appropriate test at a 5% level of significance.

  Find raw score associated with what percentile

A psychologist studied self-esteem scores and found the data set to be normally distributed with a mean of 50 and a standard deviation of 6. A raw score of 47 is associated with what percentile?

  Solutions of quadratic equations

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain.

  Expected frequency for hi square test

An insurance representative wants to determine if the proportions of women and men who buy the different policy types are the same. The actual sales results for 50 women and 50 men are

  Determine probability the game was played at night

Night games and 90 percent of their day games. According to today's newspaper, they won yesterday. What is the probability the game was played at night?

  Statistical quality control-r-chart-xbar-chart

The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that the average fill of coffee containers is 12.0 ounces.

  Discuss the fields in poisson distribution

Discuss the fields in which Poisson distribution is applied. Why does it matter whether a population of arrivals is limited or unlimited?

  Find the mean and standard deviation

Determine the mean and the standard deviation of the sample.

  Using the normal approximation to the binomial

If x is a binomial random variable where n = 100 and p = .1, find the possibility that x is less than or equal to 10 using the normal approximation to the binomial.

  Using the poisson approximation to the binomial

It is estimated that .44 percent of the callers to the customer service department of Dell Inc. Will receive a busy signal. What is the probability that of today's 1200 callers at least 5 will receive a busy signal? Use the poisson approximation t..

  Probability for colored balls in urn

An urn contains 8 green balls, 5 red balls, and 7 white balls. How many ways are there to draw a green ball or a red ball?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd