Problem-Solving and Data AnalysisEasyProbability of drawing a king
Problem-Solving and Data Analysis practice question
A pile of 10 cards contains 3 kings. If one card is drawn at random, what is the probability that it is a king?
Answer: 3/10 or .3 or 0.3
3 of the 10 cards are kings.
Common wrong answers
- If you answered 3
- 3 is the count, not a probability.
- If you answered 1/3
- 1/3 divides by the number of kings.
- If you answered 7/10
- 7/10 is the probability of not drawing a king.
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