Question

Wanda is working on her predictions for the next few days. She calculates that there is a 20% chance of rain on Monday and a 20% chance onf rain on Tuesday. If she is correct, what is the probability that it will rain on at least one of these days?

Answer 1

the answer is that 20% plus 20% equals to 40% and the probability it will rain on at least one of those days is 40% or 2/5