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 Tocumen Airport (PTY). Panama City is a study in contrasts. This city of over a million residents is the gateway between the Pacific and Atlantic Oceans. It straddles North and South America. It's where the Old World collided with the New â and its shiny modern high rise buildings tower over historic ruins. Where History Was Made. Panama City's heritage goes all the way back to 1519, so there's plenty for history buffs to enjoy here. Start at Panama PanamÃ¡ (Viejo Old), panama the ruins of one of the Oldest european settlements In North. america