State the decision rule

Assignment Help Basic Statistics
Reference no: EM131152963

RC Cola claims that 20 percent of the population can identify its products. in efforts to boost their identity, RC cola employs a famous spokesperson to advertise. a survey is then taken to asses the results of the ad campaign. the results show that 21 percent of the 1000 respondents can identify RC Cola products. has the advertising campain made any difference in the product identity? use 0.05 significance level. a. state the null hypothesis HO: H1: B state the decision rule c. compute the value of the test statistic d. estimate the p value e. what is your decision regarding null hypothesis?

Reference no: EM131152963

Questions Cloud

Proper mathematical form : The following questions are to be answered with full solutions. Be sure to focus on proper mathematical form, including:
How has technological change affected the roles of women : Write an essay reviewing what role have women played in the development of Science/ Engineering and technology. How has technological change affected the roles of women and ideas of gender?
Is abortion morally wrong, or is it morally permissible : Does the fetus have the same moral standing (i.e. require the same moral consideration) as a person, or does the fetus have some different moral standing?
Problem regarding the chi-square distribution : Suppose that x^2  follows a chi-square distribution with 8 degrees of freedom. Compute P( x^ less than or equal to 5 ). Round your answer to at least three decimal places.
State the decision rule : use 0.05 significance level. a. state the null hypothesis HO: H1: B state the decision rule c. compute the value of the test statistic d. estimate the p value e. what is your decision regarding null hypothesis?
Write the complete regression equation : Compute the confidence interval around the mean salary at 95% confidence level - Lower 95% confidence interval - Upper 95% confidence interval,
Find the probability that the first card is a king : Suppose you draw two cards from a standard deck of 52 cards without replacing the first one before drawing the second. Find the probability that the first card is a king and that the second card is an ace?
Define the three health indicators you have selected : Identify the two countries that you are comparing with the United States. Define the three health indicators you have selected for your analysis and explain why you chose them.
Compare a use case description and an activity diagram : Compare a use case description and an activity diagram. Devise a scenario in which you would use a case description, and devise a scenario in which you would use an activity diagram.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Summarizing the test results

For both airlines, (recall you already collected data on one airline in Module 1 and an additional airline as part of this assignment), construct 95 percent confidence intervals (alpha would equal what in this case?) for monthly load factors, mont..

  Decision theory-payoff table

A manufacturer produces and sells chilled, ready-to-eat pasta salad in round lots of 50 serving units each. These items have a very limited shelf life; therefore, if items are made but not sold, they have no value.

  What results in your departments seem to be correlated or

what results in your departments seem to be correlated or related to other activities? how could you verify this?

  Normally distributed variable

The average hourly wage of employees of a certain company is $9.83. Assume the variable is normally distributed.

  Estimate of the population proportion using information

How many ships must be included in the sample if the CEO wants the error to be within 0.02 and a confidence level of 95% if: there is no information available that could be used as an estimate of the population proportion?

  Estimating-population mean difference

Make a point estimate of the population mean difference in endurance after taking the herbs. Make a 95% confidence interval estimate of the population mean difference.

  Construct a tree diagram to display

A Firm has two photocopying machines. The old one is available for use 80% of the time and the new one is available for use 91% of the time. The machine availabilities are independent of each other. a) Construct a tree diagram to display the infor..

  Is this theory supported by the sample data

Is seat belt use independent of cigarette smoking? A study of seat-belt users and non-users yielded the randomly selected sample data summarized in the table below.

  Find the mean and median of the transformed heights

Find the mean and median of the transformed heights and convert the mean and median of the transformed data back to the original units.

  How many strings will contain at least 6 ba s

Consider strings of length 9 with elements being a, b or c. How many strings will contain at least 6 b a?

  Association between maternal age and birth weight

A small pilot study is being conducted to determine the association between maternal age and birth weight. First, from all the single births in 2009 at Hospital X with mothers aged ? 20 years, we randomly selected 15 records.

  A professionally managed investment scheme

A normal probability plot shows a distinctly nonlinear pattern, primarily because of the single outlier on each end of the data. But a dotplot and boxplot exhibit a reasonable amount of symmetry.

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