What is the probability that there are 53 Sundays in a leap year ?
1/7
2/7
3/7
4/7
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
1
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
What is the resulting samplespace if one coin is tossed
{H,H}
{T,T}
{H,T}
0
If two coins are tossed once. What is the probability of getting atleast one head?
1/4
2/4
3/4
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 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)
What is the probability of getting a head while tossing a coin
1/2
2
probability of an impossible event is
not defined
-1
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
