Moving to another question will save this response. Question 23 The number of hours per week students in the U.S. spend on a computer is normally distributed with a mean of 5 hours and a standard deviation of 1 hour. A student in the U.S. is randomly selected. Find the probability that the hours spent on the computer by the student are less than 2.5 hours per week. -2.5 0.0062 0.50 0.9938 Moving to another question will save this response