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!
Q1) Following data represent random sample of bank balances for population of checking account customers at large eastern bank. Based on these data, determine the 95 percent confidence interval estimate for true population mean?
$2,300
$756
$325
$1,457
$208
$2,345
1560
124
356
3179
457
789
120
2760
998
508
210
a) Approximately $1,069 + $484.41
b) About $839.40 to $1,298.60
c) Approximately $1,069 + 2.1098
d) None of the above.
Q2) AMI Company has 2 assembly lines in its Kansas City plant. Line A makes the average of 335 units per day with standard deviation equal to 11 units. Line B makes an average of 145 units per day with standard deviation equal to 8 units. Based on this information, which line is relatively more consistent?
How many subjects would you approximately need to reduce the length of the 95% confidence interval to 2 units?
Determine the probability that the project will be completed in 80 days or less.
The number of degrees of freedom corresponding to between treatments is:
The average number of days absent per student per year at West Valley School is 17 days with a standard deviation of 4 days. How many standard deviations from the mean is 6 absent days?
Richard is one of test takers. Find out the number of questions he can expect to get right on test by random guessing.
Make an interval estimate the population means score for the daycare children so that you are 95% confident that the true mean is in your interval.
What is your null hypothesis? What is your alternative hypothesis? What your decision about the null hypothesis?
Determine the average and the variation for Brand 1 price, sales market share, and total revenue, using the weekly market survey data (descriptive statistics).
For a population with a mean of μ = 60 and a standard deviation of σ = 24, find the Z score corresponding to each of the following samples.
Create a hypothesis and perform a series of tests to determine if there is any fundamental difference in the findings.
Strongly support, support, no opinion, do not support, strongly do not support. The number of people in each category was recorded.
Random sample of 100 people yielded following data on number of tissues utilized in a cold: x-bar = 38, s = 20. By using sample information provided, compute the value of test statistic for the relevant hypothesis test.
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