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!
Question: 1. If the manager of a paint supply store wants to estimate the mean amount of paint in a 1-gallon can to within ±0.004 gallon with 95% confidence and also assumes that the standard deviation is 0.02 gallon, what sample size is needed?
2. If a quality control manager wants to estimate the mean life of light bulbs to within 20 hours with 95% confidence and also assumes that the population standard deviation is 100 hours, what sample size is needed?
A number x is formed by choosing six digits in order, each being a 9 or a 1 and equally likely. Describe the sample space and count the number of sample points it contains.
why when dealing with two independent samples where you cannot assume the population variances are equal should the
seventy percent of married couples paid for their honeymoon themselves. you randomly select 20 married couples and ask
Suppose that 23% of the people that will buy apple, while 77% do not. Assume that each person is independent of the any other.
Assume the cholesterol levels of adult American women are normally distributed with a mean of 190 mg/dL and a standard deviation of 26 mg/dL. What percent of adult women do you expect to have cholesterol levels at least 200 mg/dL?
If we fit the least-squares line to the 12 data points (one for each month) we obtain the following results from a software package. Notice that temperature is taken as the explanatory variable and crawling age as the response.
Is there any evidence to suggest the true proportion of companies that require this information is greater than 0.20? Use a = 0.01.
a survey was conducted of 611 office workers to determine telephone answering practices i.e how many were able to
For a candidate to win in a congressional district, he has to have won over half of the vote. The Republican candidate takes a poll to assess his chances in a two-candidate race.
You have been offered a very lon term investment opportunity to increase your money one hundredfold.
Given a list of words and the empirical probabilities they occur in spam e-mails and in e-mails that are not spam.
Would a 90% confidence interval be wider or narrower than the one that you found in that exercise? Verify your answer by computing the interval.
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