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.
Learn more about this article. Mammals are vertebrate animals which feed their young on milk produced by mammary glands. All have hair at some point in their lives, even if they have only a few (like most whales). They are generally endothermic (warm-blooded), producing body heat internally.earn more about this article. Mammals are vertebrate animals which feed their young on milk produced by mammary glands. All have hair at some point in their lives, even if they have only a few (like most whales). They are generally endothermic (warm-blooded), producing body heat internally.