Re: DSE-2009
Posted by
priyanka p on
Jun 07, 2010; 8:22am
URL: http://discussion-forum.276.s1.nabble.com/DSE-2009-tp5138086p5148031.html
b} 0.6
it goes like 0.3+0.4-0.1
On Sun, Jun 6, 2010 at 6:26 PM, nidhi [via Discussion forum]
<[hidden email]> wrote:
How to solve this question
17. Jai and Vijay are taking a exam in statistics. The exam has only three grades A,
B and C. The probability that Jai gets a B is 0.3, the probability that Vijay gets a B is
0.4, the probability that neither gets an A, but at least one gets a B is 0.1. What is the
probability that neither gets a C but at least one gets a B?
a) 0.1
b) 0.6
c) 0.8
d) Insufficient data to answer the question