Permutations and Combinations

NZ Level 8 (NZC) Level 3 (NCEA) [In development]

Continued Combinations

$10$10 red balls and $12$12 green balls are in a bag. If $3$3 balls are to be selected from the bag at random, without replacement, set up the solution using combinations for the probability of selecting $3$3 red balls.

Do *not* solve.

Easy

Approx 3 minutes

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Use permutations and combinations