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# probability

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Adam has four short straws, five medium straws, and six long straws. If he randomly draws two straws, one at a time without replacement, what is the probability that both are medium straws?

Dec 12, 2018

#1
+22188
+9

Adam has four short straws, five medium straws, and six long straws.
If he randomly draws two straws, one at a time without replacement,
what is the probability that both are medium straws?

$$\dfrac{5}{15}\times \dfrac{4}{14} = 0.09523809524\quad (9.5\ \%)$$

Dec 12, 2018

#1
+22188
+9
$$\dfrac{5}{15}\times \dfrac{4}{14} = 0.09523809524\quad (9.5\ \%)$$