The variance of a constant is zero. Adding a constant value, c, to a random variable does not change the variance, because the expectation (mean) increases by the same amount. Multiplying a random variable by a constant increases the variance by the square of the constant.
Panama City is a city and the county seat of Bay County, Florida, United States. Located along U.S. Route 98, it is the largest city between Tallahassee and Pensacola.
Panama City: Cosmopolitan Living Near the Beach. In the heart of Panama City, surrounded by gleaming new high-rises and the buzz of a modern capital city, New Yorker Litha Wilson feels at home. It's a lot like New York City, she says. In Photos: The Many, and Often Surprising, Faces of Panama City.