Which front is not a standard weather front? select one of the options below as your
a. cool front
b. cold front
c. warm front
d. occluded front

The correct answer is a. cool front. The other answers are all examples of types of frontal systems. Frontal systems are formed when air masses interact causing one air mass to rise forming precipitation. Fronts are low pressure systems producing precipitation and overcast skies.

For many years, organized crime ran a numbers game that is now run legally by many state governments. the player selects a three digit number from 000 to 999. there are 1000 such numbers. a bet of $1 is placed on a number, say number 115. if the number is selected, the player wins $500. if any other number is selected, the player wins nothing. find the expected value for this game and describe what it means