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!
Rutter Nursery Company packages its pine bark mulch in 50 pound bags. From a long history, the production department reports that the distribution of the bag weights follows the normal distribution and the standard deviation of this process is 3 pounds per bag. At the end of each day, Jeff Rutter, the production manager, weighs 10 bags and computes the mean weight of the sample. Below are the weights of 10 bags from today's production.
45.6, 47.7, 47.6, 46.3, 46.2, 47.4, 49.255.8, 47.5, 48.5
A. Can Mr. Rutter conclude that the mean weight of the bags is less than 50 pounds? Use the 0.1 significance level.B. In a brief report, tell why Mr. Rutter can use the z distribution as the test statistic.C. Compute the p-value.
Evaluate the strength of the relationship by computing the coefficient of determination.
Determine odds student gets more than 14 questions correct? Determine the odds student gets exactly 12 questions correct?
Month is uniformly distributed between 2 and 12. Find the probability density function and the cumulative distribution function of x.
How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 5 percentage points with 92% confidence?
Suppose the population standard deviation is 0.3 minutes and the sample mean is 9.975. Find the sample mean and compute. A 90-percent confidence interval for the true mean delivery time, is?
A college would like to have an entering class of 1200 students. Because not all students who are offered admission accept, the college admits more than 1200 students.
Suppose a study is constructed to test a claim, at a 0.05 signifigance level that a population proportion is 40%. A simple random sample of 750 subjects has a proportion of 42%.
Another day, it took Eric only 12 minutes to get to work. Using the same formula, determine the z value. Is it positive or negative? Explain why it should be positive or negative.
A study was conducted of the annual incomes of beginning probation officers in metropolitan areas of less than 100,000 population and in metropolitan areas having more than 500,000 population.
Market researchers would like to know if customers prefer a well-known brand over a generic brand of soft drink. They give a large sample of people the two drinks to taste in a random order and ask them which one tastes better.
Compute average daily rainfall in the week and for weekends. Get the average of weekdays' rainfalls and average of weekend's rainfalls.
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
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