Null and alternative hypothesis to test the researcher

Assignment Help Basic Statistics
Reference no: EM13239207

A researcher predicts that the percentage of people who do no watch TV is higher now than before the advent of the Internet. Let the p1 denote the population proportion of American adults in 1975 who reported watching no TV. Let p2 denote the corresponding population proportion in 2006. 
a. Set up the null and alternative hypothesis to test the researcher's prediction. 

Reference no: EM13239207

Questions Cloud

Compare a line from one of the romantic poets : Compare a line from one of the Romantic poets to one of the Romantic landscape paintings. Describe what you think the poet and the painter is evoking about nature with these works
Utilizing information about genetics : Utilizing information about genetics, what are the pros and cons of having genetic testing to breast cancer or Alzheimer's disease?
William howard taft''s foreign policy favored : Settlement houses, The U.S. secured the right to build the Panama Canal by, The principles embodied in the Roosevelt corollary were applied to all of the following except, William Howard Taft's foreign policy favored
Solve the model by using graphical analysis : Solve the model by using graphical analysis.
Null and alternative hypothesis to test the researcher : A researcher predicts that the percentage of people who do no watch TV is higher now than before the advent of the Internet. Let the p1 denote the population proportion of American adults in 1975 who reported watching no TV. Let p2 denote the corresp..
State the relevant hypotheses to test claim : State the relevant hypotheses to test claim
Internet company that sells piercing jewelry : Zip codes. holes-r-us, and internet company that sells piercing jewelry,
How much production capacity should the manufacturer reserve : How much production capacity should the manufacturer reserve for the last day?
Make a conclusion about the hypotheses bases : In 1997, 39.4% of men had made orders by phone in the last 12 months a market research analyst feels that this percentage has declined because of internet purchases. she obtains a random sample of 500 men and determines that 191 of them have made ord..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Question regarding testing

The U.S. Bureau of Prisons publishes data in Statistics Report on the times served by prisoners released from federal institutions for the first time.

  Determining conditional probabilities in poker

Probability of a flush.  Poker player holds flush when all 5 cards in hand belong to same suit (clubs, diamonds, hearts, or spades).

  Computing probability-sample mean

A normal population has a mean of 60 and a standard deviation of 3. You select a sample of 36. Compute the probability the sample mean is (Round z values to 2 decimal places and final answers to 4 decimal places):

  Gathering data for testing the hypotheses

How should he go about taking samples to gather data for testing the hypotheses?

  Families in a certain community own their own car

Sixty percent of the families in a certain community own their own car, thirty percent own their own homes, and twenty percent own both their own home and own car. If a family in the community is randomly chosen, what is the probability that they ..

  Calculate arithmetic mean age of uninsured senior citizens

Calculate the arithmetic mean age of the uninsured senior citizens to the nearest hundredth of a year. Identify the median age of the uninsured senior citizens

  Find out the conditional probability for the given data

Find out the conditional probability for the given data. Illustrate what is the conditional chance that the selected person is male?

  Find probability that hro officer selected surveyed problems

Use this information to find the probability that an HRO officer selected from the group surveyed had problems with either employee absenteeism or employee turnover.

  Case study-ohio company

Ohio Company provided the following information regarding its only product--ice skates.

  Computing critical region and critical values for z

Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following:

  Confidence interval-problem and solution

For a sample of 36 students in a class the mean score in Mathematics is 72 with a standard deviation of 7. Find the 95% confidence interval for the mean score.

  Probability of not getting any hits in a game

a) What is the probability of getting four hits in a particular game? (Round your answer to 3 decimal places.) b)What is the probability of not getting any hits in a game?

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