Solution:
p(passing at least 2 subjects)
p(passing exactly 2 subjects)
(2) and (3) gives
From (2)
From
The probabilities that a student passes in Mathematics, Physics and Chemistry are m, p and c respectively. Of these subjects, the student has a 75% chance of passing in at least one, a 50% chance of passing in at least two and a 40% chance of passing in exactly two. Which of the following relations are true ?
p(passing at least 2 subjects)
p(passing exactly 2 subjects)
(2) and (3) gives
From (2)
From