Use estimation to select the best response. Do not calculate. Which of the following is less probable?
A) Obtaining a five at least 2 times in 3 rolls of a die
B) Obtaining a five 2 times in 3 rolls of a die
C) They are equally probable

Question

Quizplus · Accepted Answer

Option B is less probable because it specifies exactly 2 occurrences of rolling a five in 3 tries, whereas option A includes scenarios of rolling a five exactly 2 times or more than 2 times within 3 rolls, making A more probable.

Use Estimation to Select the Best Response