Card-like probability calculator
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Card-like probability calculator
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Uses the hypergeometric distribution function
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HYPGEOMDIST(num_successes, num_draws, successes_in_pop, pop_size)
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that calculates (without replacement; see below)
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the number of successes, num_successes
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in a number of draws, num_draws
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when there are a known number of matching cards (successes), successes_in_pop
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in the deck (the population), pop_size
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without replacement, as if a hand is being dealt or drawn from the deck
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Intuitive input (entered)
Additional columns for "or more"
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Number of cards in deck5252525252
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Number of matches in deck1313131313
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Total number of cards drawn44444
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Number of matches sought12345
exactly. Since probabilities taper off quickly, it's easy to get very close with few calculations.
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num_successes12345
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num_draws44444
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successes_in_pop1313131313
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pop_size5252525252
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Probability of "exactly" desired matches
43.885%21.349%4.120%0.264%0.000%
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Total probability of desired "or more"69.618%
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(or at least up to 4 more)
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