Determine 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=?2.2 and z=2.2 (or within 2.2 standard deviations of the mean).
About?____% of the area is between z=?2.2 and z=2.2 (or within 2.2 standard deviations of the mean).
(Round to two decimal places as needed.)?