Select True or False from each pull-down menu, depending on whether the corresponding statement is true or false. ? True False 1. A continuous random variable is one which has a continuous cumulative distribution function. ? True False 2. In the normal distribution, the mean, median, mode, and variance are all at the same position on the horizontal axis since the distribution is symmetric. ? True False 3. In the normal distribution, the total area under the curve is equal to one.