6.1.47-T Find the indicated area under the curve of the standard normal distribution; then convert it to a percentage and fill in the blank. About _% of the area is between z = - 3 and z = 3 (or...

Extracted text: 6.1.47-T Find the indicated area under the curve of the standard normal distribution; then convert it to a percentage and fill in the blank. About _% of the area is between z = - 3 and z = 3 (or within 3 standard deviations of the mean). About % of the area is between z = - 3 and z = 3 (or within 3 standard deviations of the mean). (Round to two decimal places as needed.)