User Account

All Pages

What is the null hypothesis

Assignment Help Basic Statistics
Reference no: EM131042398

A statistics instructor believes that 50% of his students are male. One of his students thinks there are more males than females taking statistics so he decides to conduct a random survey of past courses. He found that 83 of 150 students were male.

  • What is the null hypothesis
  • What is the standard error of proportion
  • What is test statistic
  • What is pvalue for this test
  • Is there sufficient evidence to reject the null hypothesis at 99% confidence level a=0.01?

Reference no: EM131042398

Questions Cloud

Convincing evidence to support the claim : In a representative sample of 1000 adult Americans, only 420 could name at least one justice who is currently serving on the U.S. Supreme Court. Using a significance level of 0.01, carry out a hypothesis test to determine if there is convincing ev..
Sample data provide convincing evidence : Do the sample data provide convincing evidence in support of this claim? Test the relevant hypotheses usingα= 0.05.For purposes of this exercise, assume that it is reasonable to regard the sample as representative of employers in the United States..
Assessment of international trade financing in thailand : Blades, Inc., has recently decided to establish a subsidiary in Thailand to produce Speedos, Blades' primary roller blade product. In establishing the subsidiary in Thailand, Blades was motivated by the high growth potential of the Thai roller bla..
Briefly explain the demand curve for eskom : Briefly explain the demand curve for Eskom as well the implication of the economy with regards to market power
What is the null hypothesis : A statistics instructor believes that 50% of his students are male. One of his students thinks there are more males than females taking statistics so he decides to conduct a random survey of past courses. He found that 83 of 150 students were ma..
U.s. dollars and invest in canadian dollars : Smart Banking Corp. can borrow $5 million at 6 percent annualized. It can use the proceeds to invest in Canadian dollars at 9 percent annualized over a 6-day period. The Canadian dollar is worth $.95 and is expected to be worth $.94 in 6 days.
How are employees threatened by change : How are employees threatened by change, and being a manager how can you help them to adjust? In the hiring process, do employers care about one’s personality and individual traits? If yes, how?
Do you agree with this statement : "Because of economics of scale, it is sometimes more cost effective for a firm to operate a large plant at less than maximum efficiency than a small plant at maximum efficiency". Do you agree with this statement? Explain.
Write a paper expanding on any issue of their interest : Write a paper expanding on any issue OF THEIR INTEREST FROM the syllabus or discussed in class. It is required to articulate in your paper/project the importance of your issue.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining the emissions-reduction adjustment

Three different instructional techniques are being considered for training mechanics to perform a difficult emissions-reduction adjustment on fuel-injection engines.

  Design and apply quantitative tools in financial markets

Synthesis and evaluate findings and present same in a professional manner to a varied audience

  What is the probability your grade will be above a c

Suppose the probability you will get an A in this class is .25 and the probability you will get a B is .50. What is the probability your grade will be above a C?

  How many choices are possible if al and bob are fueding and

a person has 12 friends and will invite 7 to a party.a how many choices are possible if al and bob are fueding and will

  What is the standard error of the mean in given example

Finds the standard deviation of the time to prepare, copy and mail their tax return is 80 minutes. What is the standard error of the mean in this example?

  Do this exercise by hand a famous brand-name manufacturer

1. do this exercise by hand. a famous brand-name manufacturer wants to know whether people prefer nibbles or wribbles.

  Find sample mean for extrinsic value by gender

What is the probability that an individual will be a salaried employee whose intrinsic satisfaction value is 5 or more?

  Confidence interval for proportion calculation

Calculate the 95% confident interval to estimate the percentage of Millennial who believe that their generation has a distinctive identity as compared with the other generations

  1a radio station wants to know if residents in their area

1.a radio station wants to know if residents in their area are in favor of a proposed tax increase. they invite

  Reason for choosing the test statistic

With the test statistic you chose, work out the problem with solution using .05 level of significance if it applies.

  P value for z test and t test

The number of degrees of freedom associated with the t test, when the data are gathered from a matched pairs experiment with 13 pairs, is:

  Find which test statistic is appropriate calculate its value

ifteen watch springs are selected from the production line and measured; their weights are 8, 3, 4, 8, 1, 4, 4, 9, 9, 2, 8, 4, 9, 7, and 7 grams. Assume = 0.01.Determine which test statistic is appropriate (chi-square or F), and calculate its value..

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd