State whether each of the following statements is true or false aboutDensity CurvesandNormal Distributions.

1. Thetotal areaunder any Normal density curveis1.

• True
• False

1. Thearea within 1.9 standard deviations of mean of any normaldistribution issame asarea between -1.9 and 1.9 of the standard normaldistribution.

• True
• False

1. If a variable has anormaldistribution, then theleastlikely values of the variable areon the tails of distribution (orfar away from mean).

• True
• False