A bag has 8 red, 8 blue and 3 green balls. One ball is drawn at random. What is the probability that it is red?
Answer and explanation
Correct answer: A. 8/19
- Step 1: There are 19 balls in total and 8 are red, so the probability is . Answer: 8/19. Why not the others: 0.5: ignores the green ones. 2.375: inverts the fraction. 1: compares red with blue only.
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