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!
You have decided to open a new Pub called Moe's. Your research tells you that the majority of your patrons will be 25 or younger. You decided to calculate the average age of people living close to your Pub. You sample 25 people and calculate an average age of 26 with a standard deviation of 6 years. You are certain the distribution is normal.
a. Calculate the 95% confidence interval for the above distribution.
b. Calculate the 90% confidence interval for the above distribution.
c. Suppose you wanted to calculate the average age so that your margin of error was within 1.5 years at the 95% level of confidence. How large a sample must you choose?
At a party n men take off their hats. The hats are then mixed up and each man randomly selects one. We say that a match occurs if a man selects his own hat. What is the probability of no matches? What is the probability of exactly k matches?
A research study reports t(14) = 2.17. How many individuals participated in the study? Is this t statistic sufficient to reject the null hypothesis using a two-tailed test with alpha = 0.05?
Develop a joint relative frequency distribution for the variables "Overall Customer Satisfaction" and "Typical Visits Per Week." Discuss the results.
Find the probability that a bird will orient within 17/4 radians of home by integrating the density over the appropriate region(s).
According to studies, 1% of all patients who undergo laser surgery to correct their vision have serious post laser vision problems. In a sample of 95,000 patients, what is the approximate probability that fewer than 960 will experience serious..
Find ten consecutive composite numbers. Find the prime factors of 1147 and of 1716. Are there any common factors?
Research has shown that the people often see a correlation between two events when one does not really exist. Why do you think this happens?
Imprisonment and parole The figure on the next page shows the number of persons in state prisons at year's end and the number of parolees at year's end.
when alternate optimal solutions exist in an lp problem thenthe problem will also be unboundedthe problem will also be
Evaluate this correlation. What does this correlation tell us about the relationship between these two instruments?
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. What are the lower and upper limits of the confidence interval?
Express the statistical information in words. What changes were there in the overall shape of the distribution of this variable? In central tendency?In dispersion
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