E and F are two events associated with a random experiment for which p(F)=0.35 ,p( E or F)=0.85 , p(Eand F)=0.15.Find p(E)
0.35
0.65
0.5
0.25
What is the probability of getting a head while tossing a coin
1/2
1
2
0
If A and B are two events such that p(A)=1/4 ,p(B)=1/2 and p(A and B)=1/8 .Then p(notA and notB) is
1/8
3/8
5/8
7/8
Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. The probability of drawing two aces is
1/13
1/13×1/17
1/52×1/51
1/13×1/13
If
p(A)
1-p(A)
p(A)-1
1-(p(A))2
What is the resulting samplespace if one coin is tossed
{H,H}
{T,T}
{H,T}
If A and B are mutually exclusive events then p(A∪B)=
p(A).p(B)
p(A)+p(B)
None of these
A bag contains 20 coloured balls.8 are red,6 are blue,3 are green,2 are white and 1 is brown.A ball is chosen at
random from the bag.What is the probability that the ball chosen is blue or red?
6/20
8/20
14/20
If A and B are mutually exclusive events, then p(A∩B)=
If two coins are tossed once. What is the probability of getting atleast one head?
1/4
2/4
3/4
