Last week a meteorologist predicted it would rain from Sunday (May 17th) up to and including Thursday (May 21rst). Supposedly it's supposed to rain tonight and tomorrow- we'll see about that. Anyway, calculate how wrong the meteorologist was and when you're done reflect on why we invest anytime at all in listening to what meteorologists have to say.

"Use the Percent Error formula to solve this problem. You'll also have to look up the weather for your area over the last 5 days."