Reference no: EM132391456

Newspaper subscribers are polled on whether they read the business section, and whether they invest in the stock market. The responses can be broken down as follows: invest and read bus. regularly, 20%; invest and read occasionally, 11%; invest and never read, 6%; don't invest and read regularly, 15%; don't invest and read occasionally, 26%; don't invest and never read it, 22%.

a) Find the probability that a randomly-chosen subscriber never reads the business section.

b) Find the probability that a randomly-chosen subscriber invests in stocks.

c) Find the probability that a subscriber who never reads the business section invests in stocks.

d) Find the probability that a subscriber who invests in stocks never reads the business section.

e) Find the probability that a subscriber who does not regularly read (ie occasionally or never) the business section does invest in stocks