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Discrete Probability Distributions Practice Questions

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Updated on Oct 5, 2011

To review these concepts, go to Discrete Probability Distributions Study Guide.

Discrete Probability Distributions Practice Questions

Practice

  1. Sixteen playing cards were put into a hat; eight red and eight black. A person is asked to blindly take out eight cards from the hat. Each time the person takes out a card, the value of the card is recorded as red or black and then the card is placed back into the hat. What is the probability that all the cards the person draws are black?
  2. If we roll a dice 15 times, what is the probability that we will roll a 6 at least 13 times?
  3. Referring back to the red and black card example, what is the probability that the first black card will be drawn on the fourth trial?

Solutions

  1. 0.00390625
  2. 0.0000000057
  3. 0.0625
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