Question

A school administrator tells everyone in the building that they will be having a fire drill randomly sometime during the school day which is from 8 a.m. to 3 p.m. If second period is from 9:20 a. m. to 10:10 a.m., what is the probability of the fire drill happening during second period?

Answer 1

Answer: I think the answer is 11.9% , because I had this on a quiz and this was the same question.

Explanation: