probability of an impossible event is
0
1
not defined
-1
If A and B are mutually exclusive events, then p(A∩B)=
p(A).p(B)
p(A)+p(B)
None of these
What is the probability of getting a head while tossing a coin
1/2
2
What is the resulting samplespace if one coin is tossed
{H,H}
{T,T}
{H,T}
Nine playing cards are numbered 2 to 10 .A card is selected from them at random. probability that the card will be a multiple of 4 is
1/9
2/9
2/10
1/10
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
If
p(A)
1-p(A)
p(A)-1
1-(p(A))2
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
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
A normal die is rolled.The probability that the number on the uppermost face when it stops rolling will not be 5 is
1/6
2/6
3/6
5/6