Question

12. A bag contains 12 red, 9 green and 5 black markers. If Cooper randomly selects 7 markers, how many

ways could this be done if EXACTLY 6 are to be the same color?

Answer 1

Explanation:

7 marks

6 same colors

from 12 red 6 same exactly the same

12 x 11 x 10 x 9 x7 x6

1 remainig

from 9 green 6 saem exactly the same

9 x 8 x 7 x 6 x5 x4

1 remaining

add the results above to get your final answer

26 markers in total

6 to be chosen of the same color from 7