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 director of the IRS has been flooded with complaints from the ta payers that people must wait more than 45 minutes before seeing an IRS representative.
To determine the validity of the complaints, the IRS randomly selects 100 people entering IRS offices across the country and records the times which they must wait. The average waiting time for the sample is 50 minutes.
Are the complaints by the people substantiated by the data?
Test at a=0.10. Assume that the population standard deviation in waiting time is 12 minutes.
A. State the hypothesis and identify the claim
B. Compute P-Value
C. Compare P-value with significance level value (a value) and make final conclusion.
D. Summarize the result in words
E. Explain possible error made in the context of the problem
An important subcomponent of a medical device produced by a manufacturing line is normally distributed with mean 70.2" and standard deviation is 1.26".
An auto manufacturer advertises that "90% of the cars we've ever made are still on the road." Assuming this is literally true, how can it be explained?
the diameter of a shaft is normally distributed with mean 0.2508 inch and standard deviation of 0.0008 inch. the
Severity of pain is influenced by the timing of pain interventions in sickle-cell crises and immediate intervention is better than either slightly delayed intervention or initiation at crisis stage.
Assignment Objectives: Construct a scatter plot for two variables, Compute the correlation coefficient, Compute the formula for the regression equation
Assume that we randomly select 15 teachers who have recently left their profession. Find the probability that at least 6 of them were laid off.
A coin was flipped 60 times and came up heads 36 times. What is the critical value you would use to test whether the proportion of heads is greater than 0.50 at a 10% level of significance?
a web based software company is interested in estimating the proportion of individuals who use the firefox browser. in
Find the z score corresponding to a score of X = 60 for each of the following distributions:
Find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds (Rockswold, 2006).
the marketing manager of a large supermarket chain would like to determine the effect of shelf space on the sales of
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Compute the standard error of the proportion.
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