Can you please help me

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

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The probability of drawing a heart from a standard deck of cards is .25. you record the card you draw and return the card before shuffling to ensure a binomial distribution. if you do this 20 times what is the probability that you will draw a heart 7 times? a. 0.888 b. 0.001 c. 0.112 d. 0.473