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!
A certain disease is found in one person in 5000. If a person does have the disease, the test will show a positive result 93% of the time. If a person does not have the disease, the test in 1 out of 500 cases will give a false positive result. (hint: tree diagram)
a) Determine the probability of getting a positive test result.
b) What is the probability of getting a negative test result?
c) Given that you got a positive test result, what is the probability that you are actually healthy (i.e. that you do not have the disease)?
d) If you actually have the disease, what is the probability that you will get a negative test result?
e) If you are actually healthy, what is the probability that you will get a negative test result?
f) Given that you received a negative test result, what is the probability that you do have this disease?
In a random sample of 53 concrete specimens, the average porosity (in percent) was 21.6 and the standard deviation was 3.2. a) Find a 90% confidence interval for the mean porosity of specimens of this type of concrete.
Is there a significant difference in sales dollars of hats between the west side and east side stores at the 5 percent level of significance? (a) State the hypotheses. (b) State the decision rule and sketch it. (c) Find the test statistic and stat..
consider the following research eight hours of nightly sleep is not the health panacea you were brought up to believe
a real estate agent has appointments with eight prospective clients. from past experience the agent knows that the
Calculate the sample statistic and standard error you will use to create the test statistic.
In a survey about satisfaction with local phone service, those respondents who rated their current service as excellent and those who rated it Poor-Very Poor were asked to classify their current local service provider. The results are given in the..
an educator claims that the drop out rate for seniors at high school in ohio is 15. last year 38 seniors from a random
Find the expected value or average profit per customer and determine how much profit they should expect if 10 people purchase one of their European vacation packages.
Waiting time is normally distributed. Calculate the value of the test statistic for your random sample rounded to two decimal places?
Solve the problem using the graphical solution procedure. Find out the optimal percentage allocations and the optimal total portfolio return
consider a multiple choice examination with 50 questions. each question has four possible answers. assume that a
A certain pond to check if they are significantly larger than the mean stated above. Is the mean of the sample larger population of this fish? use either L=1% or L=5%.
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