Probability with Combinations and Permutations

Question 1

A bicycle lock requires a two-digit code of numbers 1 through 9, and any digit may be used only once. Which expression would determine the probability that both digits are even?

Revolt · Accepted Answer

P(both even) =

Question 2

126✔ 1001X 24024

Revolt · Accepted Answer

✔ 1001

Question 3

0.06X 0.14✔ 0.36

Revolt · Accepted Answer

✔ 0.36

Question 4

Round answers to three decimal places.

Revolt · Accepted Answer

1,961,256; What is the probability that the mentors will be five seniors, three juniors, and two sophomores?: 0.038

Question 5

0.026✔ 0.0380.0780.417

Revolt · Accepted Answer

✔ 0.038

Question 6

Which counting method should you use to find the compound probability? Explain.

Revolt · Accepted Answer

✔ Use combinations because order does not matter.; Use combinations because order does not matter.; 1001; 0.36

Question 7

Which statements are true? Check all that apply.

Revolt · Accepted Answer

Order matters in this scenario.; There are 2,184 ways to select a first-place, second-place, and third-place winner.; The probability that all three winners are from Midland High is 0.0275.; The probability that all three winners are from Cassville High is 0.0549

Question 8

Round answers to three decimal places.

Revolt · Accepted Answer

✔ 1,961,256; 1,961,256; What is the probability that the mentors will be five seniors, three juniors, and two sophomores?: 0.038

Probability with Combinations and Permutations Answers

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