In a model, x1 0 and integer, x2 0, and x3 = 0, 1 . Which ...

[sabina]

In a model, x1  0 and integer, x2  0, and x3 = 0, 1 . Which solution would not be feasible?
 a. x1 = 5, x2 = 3, x3 = 0
  b. x1 = 4, x2 = .389, x3 = 1
  c. x1 = 2, x2 = 3, x3 = .578
  d. x1 = 0, x2 = 8, x3 = 0

Question 2

A lumber company has claimed that the standard deviation for the lengths of its six-foot boards is 0.5 inch or less. To test its claim, a random sample of 17 six-foot boards is selected, and it is determined that the standard deviation of the sample is .43 . Do the results of the sample support the company's claim? Use  = .1.

[Jmfn03]

Answer to Question 1

C

Answer to Question 2

Since 2 = 11.83 < 23.54, do not reject H0, there is not sufficient evidence to refute the company's claim.