There is a 10% chance that Tigers will not win at all during the whole season. There is a 90% chance that Federer will not play at all in the whole season. What is the greatest possible probability that the Tigers will win and Federer will play during the season? Choose the correct answer
A) A)55%  B) B)60%  C) C)70%  D) D)72%  E) E)10%
There is a 10% chance that Tigers will not win at all during the whole season   We can infer that there is 90% chance Tigers will win .   Similarly There is a 90% chance that Federer will not play at all in the whole season   We can also infer that there is 10% chance that Federer will play.   Answer 10%
<result>E</result>
There is a 10% chance that Tigers will not win at all during the whole season. There is a 90% chance that Federer will not play at all in the whole season. What is the greatest possible probability that the Tigers will win and Federer will play during the season?