In January, the average student spent ten hours week logged onto Facebook with standard deviation of 2 hours. Suppose that the time spent on Facebook is normally distibuted.
1. Determine the z-score for 5 hours?
2. Determine the probability that you spend less than 5 hours on Facebook?
3. Which of the images represents the area less than 5 hours on Facebook?
4. Determine the probability that you spend more than 5 hours on Facebook?
5. Which of the images represents the area more than 5 hours on Facebook?