<prompt> True statement about standard normal curve:Equal distribution on either side of the curveThe total area under the curve is 2Its mean is 1Standard deviation is 0  <response>: Refer: K. Parks Textbook of Preventive and Social medicine, 24th edition, pg no:886 Normal distributionGaussian Standard distributionSymmetric with respect to same mean, median mode frequencies tapers off rapidly and symmetrically on both sides 