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Statistics & Probability — Easy Worksheet 2
Grade 12 · MathSheets Name: ____________________ Date: __________
Solve each problem.
How to solve
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Example
How many ways can you choose 3 items from a set of 5?
Answer: 10
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
How many ways can you choose 3 items from a set of 4?
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
How many ways can you choose 2 items from a set of 4?
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
How many ways can you choose 2 items from a set of 6?
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
How many ways can you choose 3 items from a set of 4?
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
A coin is flipped and a 6-sided die is rolled. What is the probability of getting heads AND rolling a 5? (as a fraction)
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
How many ways can you choose 3 items from a set of 4?
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
How many ways can you choose 3 items from a set of 6?
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
✓ Correct!
Not quite. The answer is
💡 How to solve: Statistics & Probability
To count ways to choose r items from n, use C(n, r) = n! ÷ (r! × (n - r)!). For independent events, P(A and B) = P(A) × P(B); write the probability as a fraction in simplest form.
Try a similar one
How many ways can you choose 3 items from a set of 4?
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
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Statistics & Probability — Easy Worksheet 2
Solve each problem.