Question

Joel scores in 80% of his games. His team is starting the playoffs, and if they make it to the state championship, they will have played 5 games. Joel wants to determine the probability that he scores in 4 of the 5 games.Which simulation design has an appropriate device and a correct trial?

A) Roll a die letting 1 represent Joel scoring and 2-6 represent Joel not scoring. Roll the die four times.

B) Roll a die letting 1 represent Joel scoring and 2-6 represent Joel not scoring. Roll the die five times.

C) Using a table of random digits select a digit between 0 and 9. Let 0-7 represent Joel scoring and 8-9 represent Joel not scoring. Select four digits.

D) Using a table of random digits select a digit between 0 and 9. Let 0-7 represent Joel scoring and 8-9 represent Joel not scoring. Select five digits.

Answer 1

The answer is D without a single doubt

Answer 2

D

Explanation:

4 out of 5 games is 80%:

So if we know, as a rule that "Joel scores in 80% of his games.", the probability that he will score in 80% of his games is 1 - that is, we know it for sure

100% sure