# Imagine that a friend of yours is always late. Let the random variable X represent the time from when you

## Question:

The random variable X can be any value in the interval from 0 to 30, that is, 0 ≤ x ≤ 30. Because any two intervals of equal length between 0 and 30, inclusive, are equally likely, the random variable X is said to follow a uniform probability distribution. Find the probability that your friend is at least 20 minutes late.

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