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When the sample is drawn, it is placed back where it was taken from and if subsequent draws are made, it could be selected again.

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Q: What does replacement mean in probability?
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Related questions

What is probability without replacement?

completely useless.


What is it called when you pick an object and do not return it in probability?

When you pick an object and do not return it, in probability it is termed "without replacement".


What is the probability of drawing two aces from a deck of 52 cards?

The answer depends on how many cards are drawn, and whether they are drawn with or without replacement. If 1 card is drawn, the probability is 0, if 50 cards are drawn (without replacement), the probability is 1. If only two cards are drawn, at random and without replacement, the probability is (4/52)*(3/51) = 12/2652 = 0.0045


What is the probability of drawing a diamond from a normal deck of cards?

If you draw 40 cards without replacement the probability is 1! If you draw just one, the probability is 1/4.


What is the probability of drawing a heart in a deck of cards?

The probability, if you draw 40 cards, without replacement, is 1. That is, it is a certainty. The probability on a single random draw is 1/4.


In mathematical terms what is replacement?

Replacement mean we put "it" back before the next step. For example, in drawing cards, replacement means we put the card back before we draw another one. So given an arbitrary collection of objects we want to know what the probability of an event is with replacement. This is equivalent to saying what is the probability of an event when we remove an item from the collections, replace it, mix up the collection, and remove an item again. We can continue doing this infinite number of times.


What is the probability of drawing three aces in a row without replacement?

The probability of drawing aces on the first three draws is approx 0.0001810


What is the probability of getting a black 4 out of a 52 deck of cards?

If you pick enough cards, without replacement, the probability is 1. The probability for a single random draw is 1/26.


If 5 cards are drawn from a deck of cards without replacement What is the Probability that at least One of the cards is a 3?

If five cards are drawn from a deck of cards without replacement, what is the probability that at least one of the cards is a heart?


Why are the With Replacement and Without Replacement probabilities different?

Because with replacement, the total number of possible outcomes - the denominator of the probability ratio - remains the same. Without replacement the number of possible outcomes becomes smaller.


What is the probability of choosing a queen on the second draw if the first was a queen without replacement?

If 1 queen was drawn out of the 52 card deck without replacement, the probability of choosing a queen on the 2nd draw is 3/51 or 1/17.


What is the probability of drawing an ace queen and king from a standard deck with replacement?

The probability of drawing an Ace, King, and Queen from a standard deck of 52 cards, with replacement, is (4 in 52)3 or 64 in 140608, or 1 in 2197, or about 0.0004552.