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!
The First Internet Bank wants to encourage its customers to do all their banking online. It offers higher interest to depositors and lower interest rates on loans to their internet customers. The Banks goal is to reduce the number of tellers and teller hours as a way of cutting costs and maximizing profits. The Bank still needs to have adequate staffing for its non-internet customers, so it needs to know what proportion of its customers are exclusively online customers.
A random sample of 200 of the Banks customers was surveyed and 65 customers were found to exclusively use online banking.
Construct a 99% confidence interval for the proportion of all bank customers that use online banking.To obtain a margin of error of 2% for the confidence interval in part a., what sample size would be required?
For this part only, assume that the Bank had not yet taken a survey. The Bank wants to know what sample size it should take to be within 2% of the true proportion, with 99% confidence
He would like 95% confidence intervals for the average price people would be willing to pay: one for the higher-income group, one for the lower-income group.
How does hypothesis testing contribute to the scientific knowledge base? What is one example of a null hypothesis statement?
If the goal is to test whether less than 75% of the flights depart on time, what is the value of the critical test statistic at the 10% level of significance?
in the binomial probability distribution let the number of trials be n 3 and let the probability of success be p
To investigate whether female executives are experiencing pay-discrimination, a researcher samples the incomes of 300 male and 300 female executives. Which procedure would be appropriate?
Identical parts of which 10 are defective and 90 are non-defective. Three parts are selected without replacement. What is the probability that at least one part is defective?
Over the last ten years, the average GPA has been 3.0. Is this year's class significantly different from the long-run average? At what alpha level would it be significant?
Estimate the population mean
What is the difference between hypothesis and theory? If there is a difference between the two, what comes first - hypothesis or theory?
30 said that they planned to work in a rural community. Find a 95% confidence interval for the true proportion of all medical students who plan to work in a rural community.
what proportion of a normal distribution is located in the tail beyond a z-score of z
messages are transmitted from low speed terminals and arrive at a message concentrator at a poisson rate of 600hr.
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