Joshia Norman

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.

A psychologist studied the time x (in seconds) it took a subject to complete a pencil and paper maze while in the presence of a floral scent. Suppose x has a normal distribution with mean 70 seconds and standard deviation 15 seconds. Find P(X<58)