Indentify the null and alternative hypothesis

Assignment Help Basic Statistics
Reference no: EM13121474

A researcher claims that 24% of adults in the United States are afraid to fly. You want to test this claim. You find that in a random sample of 1075 adults in the United States, 292 are afraid to fly at alpha equals .05, can your reject the researcher's claim?

1. What is the type of test of significance? 2. Indentify the null and alternative hypothesis. 3. which hypothesis is the claim? 4.What's the test statistic? 5.How would you get the anwer to this using stat crunch?

Reference no: EM13121474

Questions Cloud

Illustrate what will be the effect on net operating income : the elimination of the Linens Department will result in a 10% decrease in the sales of the Hardware Department. If the Linens Department is dropped, illustrate what will be the effect on the net operating income of the company as a whole?
Random variables and probability -sampling without replacemt : Random Variables and Probability -Sampling Without Replacement, Not all the selected light bulbs are defective.
What is the ratio of phenotypes : Fill in the below table to demonstrate a cross between an individual homozygous dominant for brown eyes and a heterozygous individual.
Dividend on common stock : Arntson Corporation's net income last year was $7,975,000. The dividend on common stock was $8.20 per share and the dividend on preferred stock was $3.50 per share. The market price of common stock at the end of the year was $59.10 per share.
Indentify the null and alternative hypothesis : What is the type of test of significance? 2. Indentify the null and alternative hypothesis. 3. which hypothesis is the claim? 4.What's the test statistic?
Clarify the general purposes of the management report : Clarify the general purposes of the management report. Identify five subject areas or topics which have been recommended for inclusion in the management report.
What is causing the blue pigment indigo to appear : In blue diaper syndrome, a baby's urine turns blue in the diapers following the administration of oral tryptophan. The baby's serum and urine levels of tryptophan are very low. What is causing the blue pigment indigo to appear?
Drawing cards and sampling without replacement : Probability : Drawing Cards and Sampling Without Replacement, 3 cards are drawn in succession from a regular straight deck of 52 playing cards. Find the probability that
What are some limitations of mendelian genetics : How might our understanding of Mendelian genetics allow us to predict the outcome of genetic crosses? What are some limitations of Mendelian genetics on our ability to make these predictions?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability of a randomly selected customer buying grocery

A company that has a large number of supermarket grocery stores claims that customers who pay by personal checks spend an average of $87 on groceries at these stores with a standard deviation of $22.

  Independent samples t-test-sample problem

At some vacation destinations, "all-inclusive" resorts allow you to pay a flat rate and then eat and drink as much as you want. There has been concern about whether these deals might lead to excessive consumption of alcohol by young adults on spri..

  Flipping of coin problem

At the 0.10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.

  Sample is likely representative of the population

Based on data from Neilsen Media Research survey 44% of 5108 randomly selected households had their televisions sets tuned to the Superbowl on game day. Identify the sample, the population, and explain if the sample is likely to be representative ..

  Regression equation-estimated sales

Mr. James McWhinney, President of Daniel-James Financial Services, believes there is a relationship between the number of client contacts and the dollar amount of sales.

  Question on hypothesis testing problems and t test

A sample of 64 observations is selected from a normal population. The sample mean is 215, and the sample standard deviation is 15. Conduct the following test of hypothesis using the .03 significance level.

  Determine the test value for hypothesis

their average cost was 340.00 with standard deviation of 80.00. Dean of students thinks that costs are greater this semester. Determine the test value for this hypothesis.

  Determining appropriate sample size

For the binomial sample information summarized below, indicate whether the sample size is large enough to use the large sample approximation to construct a confidence interval for p.

  Without good measurement-statistical analysis is worthless

Evaluate this statement: "Without good measurement, statistical analysis is worthless." Do you believe it is an overgeneralization.

  Margin of error of the proportion of voters

Based on our poll what is the margin of error of the proportion of voters favoring the incumbent?

  Finding confidence interval for the proportion

Find a 95% confidence interval for the proportion  p  of the inner-city, working-class group who eventually became alcoholics.

  Description of test statistic-pulse rate of smokers

A medical researcher suspects that the pulse rate of smokers is higher than the pulse of non smokers. Use the sample statistics below to test the researchers suspicion.

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