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!
Please explain how you obtained your results.
1. A student wants their College to offer Kickboxing classes as a Physical Education class. To justify that the class is desired he surveys 200 students and finds that 56% would be interested in taking the class. He goes to his Dean and tells him that based on his survey over half of the student body would be interested in taking the class.
a) State the null and alternative Hypotheses (H0 and H1).
HO:P=
b) Calculate the test statistic and the associated p-value.
c) What is the critical value for ?
d) State your conclusion (reject H0 or fail to reject H0 )and explain your reasoning.
e) Was the student's claim correct?
The time, in hours, that a copying machine may work without breaking down is the normally distributed random variable with mean 549 and the standard deviation 68.
Find out the expected winnings for a person who buys one ticket.
Suppose the time necessary to process an application for a license plate for a newly purchased vehicle is normally distributed with mean of 6 minutes and standard deviation of 1.5 minutes.
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
What is the value of the population mean? What is the best estimate of this value?
Compare these with the percentages specified by Tchebysheff's Theorem.
A manuscript is sent to a typing firm consisting of typists A, B, and C. If it is typed by A, then the number of errors made is a Poisson random variable with mean 2.6; if typed by B, then the number of errors is a Poisson random variable
Using a separate 2 by 2 table, compute predictive value positive and predictive value negative for population of 1,000 drug users.
If we want to estimate the selling price on the basis of age, which variable is the dependent and which is the independent? Draw a scatter diagram.
Suppose you want to test the claim that population mean miu=3.5. Given a sample size of n=34 and a level of significance of alpha=0.01, when should you reject Ho?
The distribution of sample mean for samples of 500 homes is normal with a mean of 2.64 and a standard deviation of 0.06. Suppose you select a random sample of n=500 homes and determine that the mean number of people per home for this sample id 2.5..
The net profit of an investment is normally distributed with a mean of $10,000 and a standard deviation of $5,000. The probability that the investor's net profit will be between $12,000 and $15,000 is _____________.
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