Question

The local weather forecast has been accurate for 18 of the past 37 days based on this fact, what is the relative frequency probability that the forecast for tomorrow will be accurate

Answer 1

`19/38`

Explanation:

The probability of accurate forecast is 18 of the past 37 days. We must dete. rmine the probability of the accurate forecast for the 38th day. We know that of the 37 days the following days were inaccurate:

`=37-18=19`

The possibility of inaccurate events is 19/37. Therefore for the 38th day the probability of accurate forecast is:

`=19/38`