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!
For each of the following situations, would you recommend\ a sample or a census? Explain your reasoning in each case.
a. A purchasing agent has just received a shipment of shock-resistant watches and wants to find out approximately how far they can be dropped onto a concrete surface without breaking the crystal.
b. General Mills wants to learn the age, gender, and income characteristics of persons who consume Cheerios breakfast cereal.
c. The producers of NBC's Tonight show want to find out what percentage of TV viewers recognize a photo of host Jay Leno.
d. A small company wants to determine whether U.S. companies that manufacture nuclear submarines might be interested in a new technique for purifying air when such craft are submerged.
The standard deviation of a certain dimension on an aircraft part is .005 cm. What CUSUM procedure will give an in-control ARL of 600 and an out-of-control ARL of 4 when the mean value of the dimension shifts by .004 cm?
1) Enter the data set into Excel. 2) Click on the Data tab at the top. 3) Highlight your data set with your mouse. 4) Click on the Data Analysis tab at the top right. 5) Click on Descriptive Statistics in the analysis tool list.
Let x be N(µ,σ2 ) and consider the transformation x=log(y) or equivalently y=exp(x). Find the mean and the variance of y by first determining E(exp(x)) and E[(exp(x)^2 ], by using the moment generating function of x.
Your high school graduating class had 564 members. Thirty-three percent of these are expected to attend college. The probability that less than 160 will attend college is
N = 500 is to be selected from the population. What is the probability that the sample proportion, will be within ± 3 percentage points of the true p, i.e., Pr{0.42 ≤ ≤ 0.48}?
Obtain an explicit expression for the reliability of a system consisting of a parallel arrangement of two components, C1 and C2 , with respective reliabilities, R1 and R2. Explain in words what the expression for the system reliability means in terms..
Is there evidence to suggest that the training course helps out sales people?
Use the confidence level and sample data to find a confidence interval for estimating the population mean m.
Merta reports that 74% of its trains are on time. A check of 60 randomly selected trains shows that 38 of them arrived on time. Find the probability that among the 60 trains 38 or fewer arrive on time.
in a manufacturing process a random sample of 36 bolts manufactured has a mean length of 1.71 inches with a standard
Particleboard is made from wood chips and resins. An experiment is conducted to study the effect of using slash chips (waste wood chips) along with standard chips.
Precisely (that is, using specific numbers) what does the central limit theorem tell us about the sampling distribution of sample means for samples of this size from this population?
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