Please help with this:(adsbygoogle = window.adsbygoogle || []).push({});

Suppose in recent years, it has only rained an average of 5 days a year. The weather forecast, which has an accuracy of 90%, predicts rain for tomorrow. What is the probability of rain tomorrow?

A: <1%

B: between 5 and 15%

C: between 15 and 80%

D: between 80 and 90%

E: > 90%

Thank you!

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Does a weather forecast affect computation of probability of rain?

**Physics Forums | Science Articles, Homework Help, Discussion**