Therefore, there are 1„C3 = 495 ways to pick 8 face cards. There are 5,C3 = 752,538,150 ways to pick 8 cards from a deck. Hence, the probability of getting 8 face cards when 8 cards are drawn is 12C8 P(8 face cards) 52C8 495 752,538,150 11 16,723,070
Continuous Probability Distributions
Probability distributions are of two types, which are continuous probability distributions and discrete probability distributions. A continuous probability distribution contains an infinite number of values. For example, if time is infinite: you could count from 0 to a trillion seconds, billion seconds, so on indefinitely. A discrete probability distribution consists of only a countable set of possible values.
Normal Distribution
Suppose we had to design a bathroom weighing scale, how would we decide what should be the range of the weighing machine? Would we take the highest recorded human weight in history and use that as the upper limit for our weighing scale? This may not be a great idea as the sensitivity of the scale would get reduced if the range is too large. At the same time, if we keep the upper limit too low, it may not be usable for a large percentage of the population!
Where did 11/16,723,070 came from?
Combination: A combination is a grouping or subset of items. for a combination, the order not matters. There are general ways to select items when order does not matter.
The formula for combination,
Given,
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