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Q. What is the probability of getting a Royal Flush?
Ans.
Five cards are picked from a standard deck of 52 cards. How many different hands of five cards are possible? What is the probability of getting a Royal Flush?
Solution: We are choosing 5 objects, r = 5, from 52, n = 52, and we are not interested in the order in which they are picked. Thus, the number of different hands is
There are over 2 million possible hands!
A Royal Flush is a set of five cards: 10, Jack, Queen, King and Ace, all the same suit. Since there are 4 suits, there are only 4 possible Royal Flush hands. Thus,
That is very small! The length of a typical bacterium is about , the same order of magnitude!
Union and Intersection - Set theory B ∩ C indicates the intersection of B and C. it is the set having all those elements that belong to both B and C If B = {5, 8, 11, 20, 2
Important formulas d (a b )/ dx = 0 This is a constant d ( x n ) / dx = nx n -1 Power Rule d (a x ) / dx = a x l
how do you divide
1/cos(x-a)cos(x-b)
Identify the flaw in the following argument which supposedly determines that n 2 is even when n is an even integer. As well name the reasoning: Assume that n 2 is
Interpolation is a method of statistical estimation and the word literally means 'making insertions'. Let us consider a well-known situation whi
How many permutations of the letters A B C D E F G H consist of string DEF? Ans: It is the dilemma of finding number of words that can be formed along with the given 8 lette
A baseball card was worth $5.00 in 1940. It doubled in value every decade. How much was it worth in 2000?
Observe that natural numbers do not have a zero. This shortcoming is made good when we consider the set of whole numbers. The set of whole numbe
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