U.S internet users spend an average of 18.3 hours a week online. If 99% of users spend between 10 and 26.6 hours a week, what is the probability that a randomly selected user is online less than 16...

U.S internet users spend an average of 18.3 hours a week online. If 99% of users spend between 10 and 26.6 hours a week, what is the probability that a randomly selected user is online less than 16 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 16 hours per week is

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