You ask 100 people in your school if they have a job and a cell phone. The results are listed below. Your friend has a cell phone, find the probability that he has a job. JOB |40 cell phones 15 no cell phones
NO JOB |20 cell phones 25 no cell phones
a.) 0.55
b.) 0.40
c.) 0.67
d.) 0.73
(No links please! if you answer without a link ill give brainliest!)