The odds of drawing a particular card in a 60-card deck are obviously 1/60. (Note: You will also need to know how to calculate binomial coefficients (and factorials). Unfortunately, this site doesn't support math formatting. You can see the calculation on the Wikipedia page, or searching for Hypergeometric Distribution. The online calculator will also give you the odds of drawing greater than that many successes in the sample (6%, the P(X > 1) result), and exactly that number (33%, the Hypergeometric Probability: P(X = 1) result). In the Hypergeometric Distribution calculator linked above, that result is represented in the Cumulative Probability: P(X ≥ 1) field: the chance of drawing greater than or equal to 1. Results: 39% chance of drawing at least 1 Birds of Paradise. Successes in Sample: 1 (the minimum number we want to draw)
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