Draw a picture representing "The length of human pregnancies (in days) from conception to birth varies according to the distribution"  Feel free to use the tracing template worksheet on the introduction page in this module.

Show the scale of the graph by identifying the standard deviation as it relates to the inflection points.

Include values for the center as well as the x-values that are 1, 2, and 3 standard deviations from the center in both directions

Give an appropriate x-axis label N(266,16)