Standard Normal distribution shaded in left tail to -2 and in right tail to 2. statistic normal distribution Normal distn shaded outside 2s
Standard Normal distribution with shading left tail to -1 and right tail to 1 statistic normal distribution Normal distn shaded outside 1s
standard normal distribution with area between -1 and 1 shaded. statistic normal distribution Normal Distn tails shaded inside ones
Standard Normal distribution with shading between -2 and 2 statistic normal distribution Normal distn shaded inside 2s