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MATH / Ryan has 3 red lava lamps and 3 blue lava lamps. He arranges them in a row on a…

Problem

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problem

Ryan has 3 red lava lamps and 3 blue lava lamps. He arranges them in a row on a shelf randomly, then turns 3 random lamps on. What is the probability that the leftmost lamp on the shelf is red, and the leftmost lamp which is turned on is also red?

level

Level 5

type

Counting & Probability

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