10
QuizMultiple Choice

Calculating Probabilities for Sampling Distribution

Question 10 • EHS Content Recovery - Probability and Statistics - Part C

Carol and Diane are axe throwers. Carol hits the board on 44% of her throws, while Diane hits the board on 42% of her throws. Suppose that Carol throws 25 axes at the board and Diane throws 28. Let C = the proportion of axes that hit the board when Carol throws and D = the proportion of axes that hit the board when Diane throws. What is the probability that Diane’s proportion of axes hitting the board is higher than Carol’s?Find the z-table here.

Answer
A
0.442
B
0.456
C
0.491
D
0.558