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!
uppose the length of movies expressed in minutes are normally distributed. Four movies are randomly selected. Their lenghts were 110, 96, 125, and 136 minutes. Find a 95% confidence interval of the average of the lenghs of the movie.
Show that if in the Law of Large Numbers we omit the assumption that all the X have the same mean and replace the m in the conclusion by [E(X1)+...+E(Xn)]/n, the law remains valid.
The dealership would now like some general information based on the entire sample of vehicles. Calculate and explain the following:
The owner of a restaurant has just changed the delivery process in order to reduce the mean time between the order and completion of delivery from the current 25 minutes.
A report states that 46% of home owners have a vegetable garden. How large a sampl.e is needed to estimate the true proportion of home owners who have vegetable gardens to within 4 percentage points with 95% confidence?
Adult US women are known to have cholesterol levels that are N(189 mg/dL, 25 mg/dL). What % of US women would you expect to have cholesterol levels below 135?
The weight of a product is normally distributed with a standard deviation of .5 ounces. What should the average weight be if the production manager wants no more than 5 percent of the products to weight more than 5.10 ounces.
More than 13 successes in 19 trials with a 40 percent chance of success. (Round the answer to 4 decimal places.) Fewer than 7 successes in 15 trials with a 40 percent chance of success. (Round the answer to 4 decimal places.)
How many more days should be included in the sample to be 95% sure the population mean μ is within $50 of the sample mean x?
Describe five data collection techniques in your own words. Be sure to cite any sources you used. Explain why the examination of collected data is so important.
A membership drive in a metropolitan area resulted in 500 new members. What is the probability that 175 or more of the new members are significantly overweight?
Which of the variables below do you think will be roughly normally distributed? Please select all that apply.
Suppose that you are interested in determining the relation between the students average SAT scores [x] and their freshman GPA [y].
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