1.Suppose that it rains in Tucson on 5% of all days. Weather forecasts in Tucson are accurate 90% of the time, but wrong 10% of the time.

a)(4 points) The weather forecast says that tomorrow it will not rain. What is the probability that it does not rain?

b)(4 points) The weather forecast says that tomorrow it will rain. What is the probability that it will rain?

c)(2 points) What would be the most common incorrect answer for question a?