Based on the following, write an entirely new question which is about a related topic but asks something completely different.
Suppose that X is exponentially distributed with parameter λ=2. Find the expected value of X.
Expected value of X: unanswered
How can we find the expected value of a random variable that follows an exponential distribution with a different parameter λ?
Based on the information provided, write an entirely new question which is about a related topic but asks something completely different.
Suppose that Y is normally distributed with a mean of 10 and a standard deviation of 2. Calculate the probability that Y is less than 12.