Investment advisors might subscribe to the Business Times (BT)or Straits Times (ST). For those investment advisors who subscribeto at least one of the papers, one-third subscribe to only onenewspaper, ST, and one-fourth subscribe to only one newspaper, BT.40% of the investment advisors subscribe to both papers. (a)Complete the probability table below (the grey boxes).
BT BTC TOTAL
ST
STC
TOTAL 1
Total 1.0 (b) Suppose an investment advisor receives at leastone of the papers. What is the probability they receive the BT?