Please explain all the steps of your answers so I can understand. Thank you.

Please explain all the steps of your answers so I can understand. Thank you.

Suppose that exam scores in a physics course (out of 100 points) are normally distributed with a mean of 78 points with a standard deviation of 6 points. Explain what range of scores would contain 68% of data. What percent of scores should fall between 60 points and 84 points and why?