Question

The record go a weather station showes that one of the 3oo consecutive days it's weather forcast was corrected 175 times what is the probability that in a give day

Answer 1

During the weather forecast on 300 consecutive days, the forecast was corrected 175 times.  It means the forecast (prediction) was right during 300-175 =125 days.

Probability that on a given day weather forecast will be right = 125/300 
    = 5/12