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

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 3

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 4

X 126✔ 100124024

Revolt · Accepted Answer

✔ 1001

Question 5

X 0.060.14✔ 0.36

Revolt · Accepted Answer

✔ 0.36

Question 6

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

Question 7

0.026✔ 0.0380.078X 0.417

Revolt · Accepted Answer

✔ 0.038

Probability with Combinations and Permutations Answers

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