A die is rolled .If the outcome is an even number, what is the probability that it is a prime number
1/3
1/6
3/6
2/3
A normal die is rolled.The probability that the number on the uppermost face when it stops rolling will not be 5 is
2/6
5/6
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
What is the resulting samplespace if one coin is tossed
{H,H}
{T,T}
{H,T}
0
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
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
probability of an impossible event is
1
not defined
-1
Suppose an outcome A occurs m times out of n equally likely outcomes in an experiment.Then odds in favour of A =
n/m
m/n
(n-m)/m
m/(n-m)
A single letter is selected at random from the word PROBABILITY .The probability that it is a vowel is
4/11
7/11
3/11
none of these
If
p(A)
1-p(A)
p(A)-1
1-(p(A))2
