What is the resulting sample space if one coin is tossed
{H, H}
{T, T}
{H, T}
0
Two unbiased dice are thrown. Find the probability that six may be obtained as product
6/12
4/12
6/9
1/9
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 that there are 53 Sundays in a leap year ?
1/7
2/7
3/7
4/7
If two coins are tossed once. What is the probability of getting atleast one head?
1/4
2/4
3/4
1
The probability of getting either 1 or 2 when a die is thrown is
1/2
1/6
1/3
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 A and B are two events in a sample space then
p(A∪B)≥p(A)+p(B)
p(A∪B)≤p(A)+p(B)
p(A∪B)=p(A)+p(B)
none of these
probability of an impossible event is
not defined
-1
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
