Stretch of highway exceeds

Assignment Help Business Economics
Reference no: EM131950503

A Police Officer believed that the average speed of cars travelling over a certain stretch of highway exceeds the posted limit of 60km/h. The speeds of a random sample of 20 cars were recorded. The average speed was found to be 61km/h with a standard deviation of 5km/h. Is there sufficient evidence, at the 5% significance level, to support the officer's belief?

1. State the null hypothesis in words AND statistical notation. 

2. State the alternate hypothesis in words AND statistical notation. 

3. Calculate the appropriate test statistic. 

4. What is your decision in terms of this example? 

5. What is your conclusion in relation to the original question?

Reference no: EM131950503

Questions Cloud

What is the present value of technology : Mark Weinstein has been working on an advanced technology in laser eye surgery. What is the present value of the technology if the discount rate is 11 percent?
Draw a probability histogram for the distribution of x : Draw a probability histogram for the distribution of X. (Enter your values for X from smallest to largest.
What are the other factors that might and might not be part : Do you agree with previous paragraph? What are the other factors that might and might not be part of all this growth?
Write a one-page synopsis of the journal article : PTSD, find a corresponding peer reviewed journal article that addresses that disorder. Write a one-page synopsis of the journal article, incorporating concepts.
Stretch of highway exceeds : A Police Officer believed that the average speed of cars travelling over a certain stretch of highway exceeds the posted limit of 60km/h.
Did you do a good job of presenting a groupthink issue : Discuss a case or instance of Groupthink that happened at your workplace or in a big corporation that resembles one or two of the symptoms Irving Janus .
Discuss level of legibility you observe in text components : Discuss the level of readability you observe in text components. Discuss the level of legibility you observe in text components.
State the null hypothesis in words and statistical notation : 1. State the null hypothesis in words AND statistical notation. 2. State the alternate hypothesis in words AND statistical notation.
State the alternate hypothesis in words and statistical : 1. State the null hypothesis in words AND statistical notation. 2. State the alternate hypothesis in words AND statistical notation.

Reviews

Write a Review

Business Economics Questions & Answers

  Economics assignment

This document contains various important questions and their appropriate answers in the subject field of Economics.

  Demand and supply curves

Economics is the study of the principles governing the allocation of scarce means among competing ends when the objective of the allocation is to maximize the attainment of the ends.

  Long-run perfectly competitive equilibrium for the firm

Evaluate Government intervene and correct this situation?(a) Explain the concept of a concentration ratio. A rise in the price of magarine Explain the impact of external costs and external benefits on resource allocation long-run perfectly c..

  Supply and demand diagrams

Explain each of the following using supply and demand diagrams,  With the use of a graph, explain how these two programs affect cigarette consumption and the price of cigarettes.

  Case study: fisher-price toys

The case study of the Fisher-Price Toys, Inc., a popular case in basic economics and management from the prestigious Harvard Business School.

  Draw the production possibility curve

Draw the production possibility curve and a. Define consumer surplus and producer surplus.

  Tax revenue

The Australian government administers two programs that affect the market for cigarettes

  Maximize total welfare

How many tickets to sell to maximize total welfare.

  Difference between the cv and the ev

The change in consumer surplus (?CS) is not "theoretically" justifiable like the CV and EV but it continues to be the most widely used measure of consumer welfare change. Explain how this can be reconciled

  Depict von neumann-morgenstern utility index u in a diagram

Depict the von Neumann-Morgenstern utility index u in a diagram

  What is the market solution

What is the market solution (market price and quantity) and What is the total surplus of the society under the market solution

  Calculate gross national product and net national product

Calculate gross national product and net national product

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