Can you mildly explain this with the answer.

Wrote and expression for the difference of p and 4

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart