Algebra
posted by Brianna .
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.
Respond to this Question
Similar Questions

Meterology
What does it mean when a Meterologist calls for 50% chance of rain? 
statistics
a weather girl predicts there is a 50% chance of rain and a 10% chance that the rain will turn into snow. What is the probability that it will snow? 
repost statistics
a weather girl predicts there is a 50% chance of rain and a 10% chance that the rain will turn into snow. What is the probability that it will snow? 
Math
The weather forecast states that there is a 70% chance of rain tomorrow. Which of the "definitions" of probability is relevant to this statement and explain why? 
math
A weather states that there is a 60% chance of rain on Saturday and a 60% chance of rain on Sunday. Explain why the chance of rain on Saturday and Sunday isn't equal to 120%. 
Algebra 2
Can someone please explain how to do this problem? 
math
when it rains, there is a 20% chance that Jamie will go to the gym. When it does not rain, there is a 60% chance that Jamie will go to the gym. there is a 40% chance that it will rain tomorrow. a. what is the probability that Jamie … 
math
On the first two days of Mark's vacation, the weather forecaster reports a 25% chance of rain. On the third day of his vacation, Mark is faced with a 50% chance of rain. What is the probability that Mark will have three straight days … 
Math (probability)
Could someone please correct my work. A fishing magazine collected data and printed the following results: If there is rain then the probability of catching a fish at Lake Blue is 80%, but if it doesn't rain then the probability of … 
probability
A fishing magazine collected data and printed the following results: If there is rain then the probability of catching a fish at Lake Blue is 80%, but if it doesn't rain then the probability of catching a fish at Lake Blue is 17%. …