Algebra ll

Help me with this please

There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your work.

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  1. oh nvm srry posted wrong one
    i already found out how to do this one

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