The average weight of adult male bison in a particular federal wildlife preserve is 1650 pounds with a standard deviation of 250 pounds. Find the weight of an adult bull whose z-score is -0.5.
A) 1775 lb
B) 1525 lb
C) 1400 lb
D) 1650 lb

Question

Quizplus · Accepted Answer

The formula for finding the weight of an individual given the z-score is: (z-score x standard deviation) + mean. Substituting the given values: (-0.5 x 250) + 1650 = 1525. Thus, the weight of the adult bull with a z-score of -0.5 is 1525 lbs.

The Average Weight of Adult Male Bison in a Particular