Which statements are true for the following expression?
(10 – 2) · (8 + 7)
check all that are true.
-
the solution is the product of two factors.
the first factor is itself the difference of two terms.
•
the second factor is itself the product of two terms.
-
the solution is the sum of two terms.
4.
the second factor is itself the sum of two terms.

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average