Internet Users U.S internet users spend an average of 18.3 hours a week online. If 90% of users spend between 12.1 and 24.5 hours a week, what is the probability that a randomly selected user is online less than 14 hours a week? Assume that internet usage follows a normal distribution. Round the final answer to at least four decimal places and intermediate z value calculations to two decimal places. The probability of a randomly selected person being online less than 14 hours per week is