16Hit1600
Problem-Solving and Data AnalysisEasyProbability from letters of a word

Problem-Solving and Data Analysis practice question

One letter is chosen at random from the six letters of the word BANANA. What is the probability that the letter chosen is an A?

  1. A. 1/2Correct
  2. B. 1/3
  3. C. 1/6
  4. D. 2/3

Answer: A. 1/2

BANANA has six letters, three of which are A: 3/6 = 1/2.

Why the other answers are wrong

B. 1/3
1/3 is the probability of choosing an N (2 of 6).
C. 1/6
1/6 is the probability of choosing the B, or of one specific position.
D. 2/3
2/3 would need four As; there are three.

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