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.
Mammals. Mammals are a class in the chordate phylum. Mammals are like other chordates in that they have backbones. Mammals have several distinct characteristics. 1  They have hair on their bodies.2  They nurse their young.ammals. Mammals are a class in the chordate phylum. Mammals are like other chordates in that they have backbones. Mammals have several distinct characteristics. 1  They have hair on their bodies.