from the mean.(b) Make a table that includes intervals (±0.01) of the scores, where approximately 68%, 95% and 99.7% of the average music scores fall.

Many states assess the skills of their students in various grades. One program that is available for this purpose is the National Assessment of Educational Progress (NAEP). For eighth-grade students the average music score is approximately Normal with mean 142 and the standard deviation 35.(a) Make a table that includes values (±0.01) of the scores corresponding to plus or minus one, two, and three standard deviations from the mean.(b) Make a table that includes intervals (±0.01) of the scores, where approximately 68%, 95% and 99.7% of the average music scores fall.