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.
Characteristics of Mammals. Mammals have the following distinctive characteristics that put them in the class of mammals: Mammals have backbone and spines i.e. they are vertebrates. Mammals have hair or fur on their bodies.Mammals are warm blooded animals.haracteristics of Mammals. Mammals have the following distinctive characteristics that put them in the class of mammals: Mammals have backbone and spines i.e. they are vertebrates. Mammals have hair or fur on their bodies.