Joel is going to call one person from his contacts at random. He has 30 total contacts. 16 of those contacts are peopel he met at school. What is P (call a person from school) ?

8/15 is the probability to call a person from school.

Step-by-step explanation:

The given information are,

Joel is going to call one person from his contacts at random.

The total number of contacts he has = 30 contacts.

Out of those 30 contacts, 16 contacts are the people he met at school.

The probability is to find the call to a person from school.

We already know that, 16 contacts are the people from his school.

P (call a person from school) = No. of school contacts / Total contacts

⇒ 16/30

⇒ 8/15

Therefore, the probability to call a person from school is 8/15.