Seven cards are selected at random from a well-shuffled deck of 52 playing cards.
What is the probability that at least one card is a diamond?|||cards: [1- Pr(none diamonds) ] :1 - 39c7 / 52c7 = 0.885 %26lt;-------
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q1
a. {4d-4ok} : 5c4*20c4 / 25c8 = 0.0224 %26lt;-------
b {4d-4ok + 5d-3ok} : (5c4*20c4 + 5c5*20c3) /25c8 = 0.0235 %26lt;-------
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