PLEASE HELP: A football team plays in a city that has a fair chance of rain on any given day. Suppose this upcoming Sunday there is a 62% chance of rain. If it is raining,
they can expect to score 3 touchdowns. If the weather is clear, they can expect to score 5 touchdowns. What is the expected number of touchdowns they score?

Question

PLEASE HELP: A football team plays in a city that has a fair chance of rain on any given day. Suppose this upcoming Sunday there is a 62% chance of rain. If it is raining, 
they can expect to score 3 touchdowns. If the weather is clear, they can expect to score 5 touchdowns. What is the expected number of touchdowns they score?

anonymous · Answer

Well if it does rain, they score 3, and most likely its going to rain. If it doesn't they score 5. So the minimum they can score is 3, so everyone watching the game will expect at least 3 touchdowns, rain or sun

anonymous · Answer

that's probably really wrong, i just guess :)

dumbcow · Answer

E(X) = 0.62*3 + .38*5 = 3.76