Measure the speed of automobile on an expressway

Assignment Help Business Economics
Reference no: EM132414143

A radar unit is used to cduring rush-hour traffic. The speeds of individual automobiles are normally distributed with a standard deviation of 4 mph.

Find the mean of all speeds if 3% of the automobiles travel faster than 72 mph. Round the mean to the nearest tenth.

Using the mean you found in part a, find the probability that a car is traveling between 70 mph and 75 mph. Interpret the meaning of this answer.

Using the mean you found in part a, find the 25th percentile for the variable "speed".

Reference no: EM132414143

Questions Cloud

Business and Management Dissertation Research Proposal : Business and Management Dissertation Assignment - Research Proposal. A research proposal should: clearly define the topic you are interested in
Leadership playing to strengths : Leadership playing to strengths most mangers focus on person's weaknesses and address shortcomings. in contrast, grest managers grow the person's strengths.
Calculate the confidence interval : Calculate the 99% confidence interval. The mean that you will use in this calculation is ____:
Confident that the population mean height of players : Based on this sample, (62.5, 65.3) found to be a 90% confidence interval for the population mean height of players.
Measure the speed of automobile on an expressway : A radar unit is used to cduring rush-hour traffic. The speeds of individual automobiles are normally distributed with a standard deviation of 4 mph.
Confidence interval estimate of the population mean : A. What is the confidence interval estimate of the population mean u? B. What does this suggest about the m use of 98.6 as the mean body temperature
Estimate of the percentage of cell phone : Use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who developed cancer of the brain or nervous system
Consider an executive jet that seats six with a doorway : A survey found that womens heights are normally distributed with the mean 62.4 inches and a standard deviation 3.5 inches the survey also found
Describe the phases of the proposed project : Provide a complete concise overview of all phases of the proposed project listed below and make sure it flows well with the rest of the paper.

Reviews

Write a Review

Business Economics Questions & Answers

  Apply tax credits for qualified employers

How to Restore Participating and Self-Support to Free Enterprise (Harvard University Press, 197), economist Edmund Phelps offers this plan to help the working poor: apply tax credits for “qualified employers” or hire disadvantaged people for “eligibl..

  How do changes affect the equilibrium price and quantity

How do changes affect the equilibrium price and quantity of SUVs if pay increase for workers at car companies. What is the shift in the Supply and Demand Curves and provide a brief explanation of why each change occurs.

  Estimate generated from a regression

In this case, with this form of measurement error, will the OLS estimate generated from a regression of Y* on X still be unbiased?

  Respective shares of the local hamburger market

Suppose that a small town has seven burger shops whose respective shares of the local hamburger market are (as percentages of all hamburgers sold): 26%, 25%, 20%, 12%, 9%, 5%, and 3%. What is the four-firm concentration ratio of the hamburger industr..

  Difference between mediation and binding arbitration

What is the difference between mediation and binding arbitration? What is the role of a strike in the bargaining process? Briefly discuss.

  Demonstrate provide-demand curves also equilibrium for usa

Demonstrate provide/demand curves also equilibrium for the USA, assuming no imports.

  The law of one price applies to all goods

The "law of one price" applies to all goods, except those that:

  What is governemnt regulation

What is governemnt regulation like in your company's industry? Does the government employ any regulation designed to ensure that competition is healthy or the rights and welfare of consumers is protected. Would you support governments breaking up com..

  Subsequent ways does government involve the consumption

In which of the subsequent ways does government involve the consumption component of planned cumulative expenditures.

  Demand with perfect substitutes-utility function

Problem associated with fourth video: demand with perfect substitutes Consider the following utility function u(x1, x2) = 2x1 + x2. Calculate the MRS for this utility function. Does it depend on x1 and x2. (b) Given an income m and prices p1 and p2 d..

  Quantity of labor he demands if the wage increases

Suppose that Taher's pizza business operates under competitive conditions and that his short-run production function is q=20?E. What happens to the quantity of labor he demands if the wage increases to w1= $12?

  Understand different values placed on time

Describe how the theory of consumer behaviour helps us understand different values placed on time.

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