Question

The record of weather station shows that out of 300 consecutive days, it's weather forecast were correct 100 times,find the probability that the forecast on a given day is :a. Correct,b.incorrect

Answer 1

No. Of made predictions =300
1.  No. of favorable events =100
     Total no. of outcomes=300
     Probability of getting a right prediction on a given day =100/300=1/3
2.  No. of favorable events =300-100=200
     Total no. of outcomes=300
     Probability of getting a wrong prediction on a given day=200/300=2/3