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 of vertebrates characterised by warm-blood, hairy bodies, a four-chambered heart, a single jaw bone, sweat glands and-in females-mammary glands for suckling young. Some mammals, such as naked mole rats and whales have lost some or all of their hair.Almost all mammals give birth to live young, but there are a few that lay eggs. These are known as monotremes, and include the platypus.Scientific name: Mammalia.ome mammals, such as naked mole rats and whales have lost some or all of their hair. Almost all mammals give birth to live young, but there are a few that lay eggs. These are known as monotremes, and include the platypus. Scientific name: Mammalia.