State the null and alternative hypotheses

Assignment Help Business Economics
Reference no: EM133082753

A professor believes that the final examination scores in statistics are normally distributed. A sample of 40 final scores has been taken. You are given the sample below. The mean of the scores is 83.1 and the standard deviation is 10.38.

56

63

65

68

72

72

73

75

77

78

78

79

80

80

80

80

80

80

81

81

82

84

84

86

86

87

88

90

90

92

92

93

93

94

95

96

97

98

100

100

a. State the null and alternative hypotheses.

b. Compute the test statistic for the goodness of fit test.

c. At the 1% level using the p-value approach, test the hypotheses. What do you conclude about the distribution of final examination scores?

Reference no: EM133082753

Questions Cloud

Calculate the consumer surplus : John runs the only juice stall in the shopping centre. The following equations show John's demand, marginal revenue, total cost, and marginal cost, respectively
Calculate the sample mean-median and mode : The amounts of money ($) spent by 14 students for their breakfast this morning are:
What are the rationalizable strategies : What are the rationalizable strategies for each player in a game of matching pennies? Please elaborate on how you find them?
What should firms consider when making production decisions : Relative to costs (finance), what should firms consider when making production decisions? Please be clear and detailed with your answer.
State the null and alternative hypotheses : A professor believes that the final examination scores in statistics are normally distributed. A sample of 40 final scores has been taken.
Explain the vertical integration and horizontal integration : Difference between vertical integration and horizontal integration, which one did andre carnegie use and how?, which one did John D Rockefeller use and how?
What is the maximum price per square foot : An investor learns the local college plans to expand and acquire property in a specific neighborhood. The college will pay $20 per square foot for one acre (43,
Current situation with healthcare services in canada : What is the current situation with healthcare services in Canada? Some reports claim that we have the best access to health care while others services have been
How technological change can generate a positive change : Explain how technological change can generate a positive change. Explain how technological change can generate a negative change.

Reviews

Write a Review

Business Economics Questions & Answers

  Describing the current state of the health care

Write a short (2-3 page, double-spaced, typed) essay identifying and describing the current state of the health care industry using the tools we have studied this semester.

  Responsible for implementing particular marketing strategy

If you were personally responsible for implementing a particular marketing strategy, which implementation approach would you be most comfortable using, given your personality and personal preferences? Why? Would your chosen approach be universally ap..

  What is the equation for E-Mobiles Marginal Revenue curve

Suppose E-Mobile purchases every gas company in the world and set their prices. Then it would have a control of the gas market with no other competition. Thus E-Mobile becomes a monopolist in providing gas. The market demand curve faced by E-Mobile i..

  Determine whether it is better to rent or own

tax consequences of owning, and determine whether it is better to rent or own. This is an example of the hidden-cost fallacy.

  Anticipated rate of inflation rises

Suppose that the nominal rate of interest is holding steady at 8 percent even as the anticipated rate of inflation rises.

  Assuming the industry is a cournot duopoly

Illustrate what will be the price of this new drink in the long run, assuming the industry is a Cournot duopoly.

  Previously mentioned transactions

In 2013, the furniture store PB produced 13 mahogany desks. One of them is sold to Jeanine for $3,349, later that same year Jeanine sold the desk to Pamela for $1,919. The remaining desks were not sold to anyone that year and stay in PB's inventory a..

  Imbalance in information affects the choices

Why is the term asymmetric information in order to understand why some people are better informed than others, and the imbalance in information

  When jennifer is healthy

When Jennifer is healthy, her utility level is 99. However, there is 0.15 chance that she will get sick. Once she is sick, her utility level drops to 17. What is Jennifer's expected value of utility?

  Making decisions about accounts receivable

What factors must a financial manager consider when making decisions about accounts receivable?

  Law of demand says that when the price of something falls

“The law of demand says that when the price of something falls, more should be consumed. But when the price of a vacation falls, I still just take one vacation per year.” How does the law of demand fit in this circumstance?

  Explain the three main eras in us stadium funding

Explain the three main "eras" in U.S. stadium funding: entrepreneurial, public infrastructure, and public-private partnership.

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