Question

Suppose x is the waiting time at a bank, which is a random variable that is uniformly disturbed on values between 0 and 20 minutes. Find the probability that the waiting time is between 5 and 10 minutes.
PsyDAG
You are including values 5, 6, 7, 8, 9 & 10 and also the zero value for the range.

6/21 = ?