Estimate the iqr of the treadlives

Assignment Help Basic Computer Science

Reference no: EM131379369

Tires. A tire manufacturer believes that the treadlife of its snow tires can be described by a Normal model with a mean of 32,000 miles and standard deviation of 2500 miles.

a) If you buy a set of these tires, would it be reasonable for you to hope they'll last 40,000 miles? Explain.

b) Approximately what fraction of these tires can be expected to last less than 30,000 miles?

c) Approximately what fraction of these tires can be expected to last between 30,000 and 35,000 miles?

d) Estimate the IQR of the treadlives.

e) In planning a marketing strategy, a local tire dealer wants to offer a refund to any customer whose tires fail to last a certain number of miles. However, the dealer does not want to take too big a risk. If the dealer is willing to give refunds to no more than 1 of every 25 customers, for what mileage can he guarantee these tires to last?

Reference no: EM131379369

Questions Cloud

What is the long-range value of incarceration of juveniles : What is the long-range "value" of incarceration of Juveniles, as opposed to providing treatment (Keep in mind the judge's reference to incarceration as "treatment")?

Describe three of the most critical topics you have included : Explain three of the most critical topics you have included in your outline, and propose a potential course of implementation. (3-4 pages)

Should the supreme court uphold the unions exclusive right : The case was appealed to the United States Supreme Court. Should the Supreme Court uphold the union's exclusive right to engage in collective bargaining with the company? Explain.

What laws may steve be violating related to diversity : What laws may Steve be violating related to diversity or cultural sensitivity? Provide rationale for your answer. As Steve's supervisor, how will you address this issue? Provide examples that would be appropriate utilizing cultural sensitivity and ..

Estimate the iqr of the treadlives : Tires. A tire manufacturer believes that the treadlife of its snow tires can be described by a Normal model with a mean of 32,000 miles and standard deviation of 2500 miles.

What additional factor helped create a partnership in case : What is the definition of a partnership?- What is the most crucial factor in the creation of a partnership?- What additional factor helped create a partnership in this case?

What federal laws protect owners of intellectual property : What federal or state laws protect owners of intellectual property? How do they apply here? Explain. What damages, if any, has Mathis suffered because of Normandale's conduct? Explain.

At least how tall are the biggest 10% of kindergarteners : What fraction of kindergarten kids should the company expect to be less than 3 feet tall?

Is such an integration promoted or hampered : Which of the business organizations described in this chapter is best suited for realizing Sievers's capitalistic ideals? Explain.

User Account

All Pages