question in description

Question

if two balls are drawn without replacement from a box containing 4 blue balls, 3 yellow balls, and 2 white balls, what is the probability of getting 2 yellow balls? (write your answer as a fraction in lowest terms.)

Answer 1

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Answer 2

Draw 1 there are 9 balls, 3 of which are yellow - odds = 3/9 = 1/3 = 33.3%

 

Draw 2 A. first draw was NOT a yellow ball, then 3/8 = 37.5%

 

Draw 2 B. first draw WAS a yellow ball, then 2/8 = 1/4 = 25.0%