The Customer Service Department of H&R Block Received a Total

Multiple Choice

The customer service department of H&R Block received a total of 235 telephone requests for a tip-sheet on personal tax or corporate tax. The following table summarizes callers' primary area of interest, and how they first heard about the tip-sheet. Suppose that a caller is selected at random. Find the probability that the caller selected heard about the report from the radio, assuming they are interested in personal tax.

A) 34/100
B) 34/235
C) 34/135
D) 34/70A