Posted by Brianna on .
The weather channel has predicted that there is a 70% chance of rain today and 20% chance of rain tomorrow. A. What is the probability it wont rain tomorrow? B. What is the probability it wont rain tomorrow given that it rained today?

Algebra 
bobpursley,
a. wont rain tomorrow? .8
B cannot be answered, there is no indication that rain on successive days are independent events.