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Question 3:
The reaction times of all people in a psychology experiment were normally distributed with a mean of 2 seconds and a standard deviation of 0.5 seconds. For this problem, use the following z-table.

3a. Make a sketch of the distribution showing the reaction times at 1, 2, and 3 standard deviations from the mean. Also, show the percentages of the times within 1, 2, and 3 deviations of the mean.

3b. Find the percent of scores that are less than 0.5 seconds.

3c. Find the percent of scores that are greater than 3 seconds.

3d. Find the percent of scores that are between 1.5 and 2.5 seconds.