statistics

im so confused! please help!
3. A car manufacturer is interested in conducting a study to estimate the mean stopping distance for a new type
of brakes when used in a car that is traveling at 60 miles per hour. These new brakes will be installed on cars
of the same model and the stopping distance will be observed. The cost of each observation is $100. A budget
of $12,000 is available to conduct the study and the goal is to carry it out in the most economical way possible.
Preliminary studies indicate that s �� 12 feet for stopping distances.
(a) Are sufficient funds available to estimate the mean stopping distance to within 2 feet of the true mean
stopping distance with 95% confidence?
Explain your answer.
(b) A regulatory agency requires a 95% level of confidence for an estimate of mean stopping distance that
is within 2 feet of the true mean stopping distance. The car manufacturer cannot exceed the budget of
$12,000 for the study. Discuss the consequences of these constraints.

  1. 👍 0
  2. 👎 0
  3. 👁 217

Respond to this Question

First Name

Your Response

Similar Questions

  1. science

    Two im not sure on, please check? What is the true work of all scientists? Scientists ask testable questions and devise ways to answer those questions through experimentation or observation.*** Scientists research other

  2. MATH 123

    Darla purchased a new car during a special sales promotion by the manufacturer. She secured a loan from the manufacturer in the amount of $23,000 at a rate of 4.6%/year compounded monthly. Her bank is now charging 6.2%/year

  3. Calculus 2

    A manufacturer sells two products, one at a price of $3000 a unit and the other at a price of $12000 a unit. A quantity q1 of the first product and q2 of the second product are sold at a total cost of $5000 to the manufacturer.

  4. Life orientation

    Identify three courses or study fields you are interested in following after grade 12 write them down in order of preference (3).Provide two reasons why you find this a suitable course for each (6)

  1. physics

    a car manufacturer claims that his car, starting from rest, can attain a speed of 28m/s in a time of 20s. find the average acceleration of the car and the distance it travels in this time?

  2. Maths, geography, life sciences and physical scien

    Identify three courses or study fields you are interested in following after grade 12.provide two reasons why you find this a suitable course for each choice

  3. Statistics

    Suppose a tire manufacturer wants to set a mileage guarantee on its new XB 70 tire. Life tests revealed that the mean mileage is 47,900 miles and the standard deviation is 2,050. The manufacturer wants to set the guaranteed

  4. maths and science

    Three courses or study field you are interested in following after grade 12 and provide three reasons

  1. Finance

    You are interested in a new Ford Taurus. After visiting your Ford dealer, doing your research on the best leases available, you have three options. (i) Purchase the car for cash and receive a $1,900 cash rebate from Dealer A. The

  2. Life orientation

    Identify three courses or study fields you are interested in following after grade 12 write down them in order of preference

  3. St

    A manufacturer is interested in determining whether it can claim that the boxes of detergent it sells contain, on average, more than 500 grams of detergent. The firm selects a random sample of 100 boxes and records the amount of

  4. Mathematics

    A local television station sent out questionnaires to determine if viewers would rather see a documentary, an interview show, or reruns of a game show. There were 700 responses with the following results: 210 were interested in an

You can view more similar questions or ask a new question.