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!
1. A textile mill weaves cloth that is used to make sheets. The top grade of sheets has at least 200 threads per inch. (Because higher thread count indicates higher quality, it will not matter if the thread count is above 200.) Random samples from 20 areas of a piece of cloth result in an average thread count of y = 190 with s = 50. Assuming normality, test the appropriate hypothesis using a = 0.05, and explain what your results mean.
2. A toothpaste was formulated with a silica content of 3% by weight. The manufacturer randomly samples 33 tubes of toothpaste and finds their mean silica content is 3.4% and the standard deviation is 0.43%. Test the hypothesis that the mean silica content is not on target using a p-value and a = 0.05. Explain what the results of your test indicate in terms the manufacturer can understand.
1.a company wants to know if minorities are more likely to be in certain job categories than others. their data base
the averagemean hours spent asleep for a group of people is 5.6 hours. the standard deviation is 1.0 hour.a - what is
1. how do correlation coefficients summarize the information in scatter-plot? what do scatter-plots reveal that
A sample of 148 of our statistics students rated their level of admiration for Hilary Rodham Clinton on a scale of 1 to 7. The mean rating was 4.06 and the standard deviation was 1.70.
For a certain insurance contract, on (50), the death benefit for the first year. If the value of q50 is changed to 0.25, while all other value of qx are unchanged, what is the new single premium?
question the average number of pounds of meat that a person consumes each year is 218.4 pounds. let the standard
1.ginger root is used by many as a dietary supplement. a manufacturer of supplements produces capsules that are
The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. At the 0.05 level, is there a difference in among the means?
Find a 95% confidence interval for the true proportion of all medical students who plan to work in a rural community.
Statistical Analysis with data from journal articles
An analysis of 1,000 cellular phone calls made from company phones at the offices of Kant, Taekitini, Moore, LLC reveals that the length of these calls is normally distributed, with m = 240 seconds and s = 40 seconds.
Two mating parts have critical dimensions x1 and x2 as shown below. Assume that x1 and x2 are normally distributed with means 1 and mean2 and standard deviations s1 = 0.400 and s2 = 0.300.
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