Lucia graduated this year with an accounting degree from Eastern Connecticut State University. She has received job

Question:

Lucia graduated this year with an accounting degree from Eastern Connecticut State University. She has received job offers from an accounting firm, an insurance company, and an airline. She cannot decide which of the three job offers she should accept. Suppose she decides to randomly select one of these three job offers. Find the probability that the job offer selected is
a. From the insurance company
b. Not from the accounting firm