A scientific calculator operates on the average 5.3 hour before needing a recharge. According to Chebyshev's theorem, if the operating times have a standard deviation of 0.6 hour. A. Between what 2 values will at least 75% of the operating times fall? B. At least what percentage of the operating times will fall in the interval
A food processing company packages a product that is periodically inspected by the Food and Drug Administration. The FDA has ruled that the company's product may have no more than 2.00 grams of a certain toxic substance in it. Past records of the company show that packages of this product have a mean weight of toxic substance eq
The random variable X is the number of houses per month sold by a realtor. The probability distribution is given below. Find the mean and standard deviation of X: X (houses sold) / f(x) ____________________________________________ (0 , 0.24) (1 , 0.01) (2 , 0.12) (3
X ~ B (1603, 0.57). Find the mean and the standard deviation of X.
X P(X=x) (5 @ .12) (6 @ .24) (8 @ .44) (10 @ .20) What is the standard deviation of X?
Determining control limits and working with mean and range in statistical quality control. Attachments in MS Word.
Statistics Quality Control A. Determine the control limits for the mean and range B. Plot the control limits for the mean Outside Diameter and the range C. Are there any points on the mean or the range chart that are out of control? Comment on the chart. See the attached question file for the data.