If a fund's returns follow a normal distribution, then approximately 68% of the time they will fall within one standard deviation of the mean return for the fund, and 95% of the time within two standard deviations.
Mammals are a particular class of animal. What makes an animal a mammal are several things. First, they must have glands that give milk.This is to feed their babies. Second, they are warm-blooded.Third, all mammals have fur or hair. Humans are mammals and so are dogs, whales, elephants, and horses.hat makes an animal a mammal are several things. First, they must have glands that give milk. This is to feed their babies. Second, they are warm-blooded. Third, all mammals have fur or hair. Humans are mammals and so are dogs, whales, elephants, and horses.
Building on the Mammal Pattern. One of the important things to know as we ask âwhat makes a primate a primateâ is that the primate characteristics we see are all built on mammal characteristics.All primates are mammals.uilding on the Mammal Pattern. One of the important things to know as we ask âwhat makes a primate a primateâ is that the primate characteristics we see are all built on mammal characteristics.