Question

If the probability of rain tomorrow is 40%, what is the probability that it will not rain tomorrow? Express your answer as a percent.

Answer 1

60%

Step-by-step explanation:

60%

Answer 2

Answer:A simple application of the definition of a conditional probability.

Let the following hold;

B= event that it rains tomorrow

A= event that it rains today

Now we assume that B and A are not independent as most competent localized meteorological models are non-Markovian. Then

P(B|A)=P(A∩B)P(A)=0.20.4=0.5

Note that P(B) was not needed given the other probabilities.

Now if per precise local weather dynamics, A and B are independent events, then

P(B|A)=P(B)=0.45

Step-by-step explanation: