MEDIUM
CAT
IMPORTANT
Earn 100

The odds against of an event are 5 : 7, find the probability of occurrence of this event.

50% studentsanswered this correctly

Important Questions on Probability

MEDIUM
CAT
IMPORTANT
If there are two children in a family, find the probability that there is atleast one girl in the family.
HARD
CAT
IMPORTANT
The probability of occurrence of two events A and B are 14 and 12 respectively. The probability of their simultaneous occurrence is 750, Find the probability that neither A nor B occurs.
MEDIUM
CAT
IMPORTANT
If A and B be two events in a sample space such that P(A)=310 and P(B)=12 and P(AB)=15. Find P(AB).
MEDIUM
CAT
IMPORTANT
If A and B be two events in a sample space such that P(A)=25, P(B)=12 and P(AB)=35, find P(AB).
EASY
CAT
IMPORTANT
Two dice are tossed once. Find the probability of getting an even number on the first die or a total of 8.
HARD
CAT
IMPORTANT
Four cards are drawn at a time from a pack of 52 playing cards. Find the probability of getting all the four cards of the same suit.
HARD
CAT
IMPORTANT
From a well shuffled pack of 52 cards, a card is drawn at random. Find the probability that the drawn card is a king or a queen.
HARD
CAT
IMPORTANT
Two cards are drawn at random from a pack of cards. What is the probability that either both are black or both queens?