The life expectancy in years of a certain brand of clock radio is a continuous random variable with the probability density function below f x 2 x 2 ifx20 otherwise A Find the probability that a randomly selected clock lasts at most 6 years B Find the probability that a randomly selected clock radio lasts from 6 to 9 years C Graph y f x for 0 9 and show the shaded region for part A A What is the probability that a clock will last no more than 6 years Type a decimal rounded to three decimal places as needed