Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q1) Utility company serves 50,000 households. As part of survey of customer attitudes, they take simple random sample of 750 of these households. Average number of television sets in sample households turns out to be 1.86, and SD is 0.80. If possible, determine a 95% confidence interval for average number of television sets in all 50,000 households. If this is not possible, describe why not.
Q2) Out of the 750 households in survey of the previous exercise, 451 have computers. If possible, determine a 99.7% confidence interval for percentage of all 50,000 households with computers. If this is not possible, describe why not.
Her results (in hours until turning a particular shade of brown) are in the table below. At ∞= .01, did she see a difference between the two treatments?
Explain can you find out statistical support in this poll for that statement. When it comes to the war in Iraq, among which of the subsiquent statements comes closer to your point of view.
Assume the arrival of these emails is approximated by the Poisson distribution.
The average score on the stat midterm was 75 points with a standard deviation of 5 points, and Gregor's z-score was -2. How many points did he score.
Determine the p-value; and at 95% confidence, test the above hypotheses.
Standard deviation of 7. At 0.01 significance level, is there more variation in first population?
A study of 40 bowlers showed that there average score was 186 the standard deviation of the population is 6. Find the 95% confidence interval of the mean score for all bowlers.
how many chocolate chip cookies will he need to sample to estimate the mean to within 2, what is a 99% confidence interval for the average number of chips per cookie?
Survey on marital status to determine whether the data is qualitative or quantitative
Estimating confidence interval for mean value of y and find a 95% confidence interval for the expected average total sleep time for a child of age 12
Richard is one of test takers. Find out the number of questions he can expect to get right on test by random guessing.
Hypothesis test for one population mean - What is the alternative hypothesis and What is the null hypothesis?
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd