Alternative that m is larger than 40 hours

Assignment Help Basic Statistics
Reference no: EM132522979

The mean time spent on studies of all students at a university last year was 40 hours per week. This year, a random sample of 40 students at the university was drawn and a mean 42.7 hours was found while population standard deviation was 13.85 hours. Test the hypothesis that m, the population mean time spent on studies per week is equal to 40 hours against the alternative that m is larger than 40 hours. Use a significance level of a = 0.05

Reference no: EM132522979

Questions Cloud

Solve the extra period added to the term of the loan : Solve the extra period added to the term of the loan. Calculate the new monthly repayment if Scott pays off the loan by the originally agreed date.
Why you think the marketing director disagrees : Explain why the directors of IE decided against using any of the current cash balance to finance the purchase of the new machine
What is budgetary controls : What is budgetary controls? List some of the risks on company's future cash flows, and provide options on how to avoid and reduce such risks.
Conduct research on policies : You are the Chief of Police for a densely-populated urban police department. Conduct research on policies of at least two other agencies before writing policy
Alternative that m is larger than 40 hours : The mean time spent on studies of all students at a university last year was 40 hours per week. This year, a random sample of 40 students
Explain and demonstrate the impact of each of the policies : Explain and demonstrate the impact of each of the policies Moderate Working Capital on profitability; liquidity and competitiveness
Regarding the forensic aspects of arson : Regarding the forensic aspects of arson, explain the endothermic reaction and what information forensic scientists can get from this phenomenon.
Approximate weekly sales for shelf space : Using the regression line for this problem, the approximate Weekly Sales for shelf space that is 30.
What conventions of social science : Choose journal article that reports qualitative study. How authority is established in article. What conventions of social science writing are used?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability to make good on escape by using road b

The probability of selecting each of the roads are the same. It is 1/3. If the prisoner succeeds on her escape, what is the probability that she made good on her escape by using road b.

  Common belief that the state of the world is consistent

Prove that if player i believes at the state of the world ω that the state of the world is consistent, then he believes that every player believes that the state of the world is consistent.

  What is the value of the t statistic

The data give x = 94 and s = 4. What is the value of the t statistic?

  Defining ho-ha and listing important system parameters

The mean number of sick days an employee takes per year is believed to be about ten. Members of a personnel department do not believe this figure

  Implications for settlements in real-world court cases

Discuss your answers to parts a and b. What are the implications for settlements in real-world court cases? What would happen if the defendants expected value were less than the plaintiffs?

  Find the probabilities for discrete random variables

Find the probabilities for the following discrete random variables and find the probability that the salad contains more than 5 vegetables on i) a given day and on ii)3 of the next 4 days?

  Calculate the mean-median and mode of the exam scores

Below are the exam 1 scores for a small, 9- person section of Math 429 (Introduction to Topology).62 74 93 94 56 78 80 90 82

  Construct a frequency distribution and a histogram for data

For the frequency distribution constructed in given Exercise, convert the information to a "less-than" ogive.- Construct a frequency distribution and a histogram for these data.

  Assuming that diastolic blood pressure measurements are

in 1998 the world health organization reported the findings of a major study on the quality of blood pressure

  What is the probability that she will pass all three tests

(a) What is the probability that she will pass all three tests? (b) What is the probability that she will pass at least two of the three tests?

  Interquartile range of the quarterly range of the group

In the last quarter of 2007 a group of 64 mutual funds had a mean return of 0.9% with a standard deviation of 5.2%. Consider the normal model N(0.009.052) for the returns of these mutual funds.

  Estimating the population correlation coefficient

a) Specify the null and alternate hypotheses for testing that the population correlation is negative. b) Calculate the estimate of the population correlation coefficient between X and Y.

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