EASY
CUSAT CAT
IMPORTANT
Earn 100
Geetha and Somu appear for an interview for two vacancies in a company. The probability of Geethas selection is and Somu is . Then the probability that
(i) both of them are selected (ii) both of them are not selected are respectively
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Important Questions on Probability
MEDIUM
CUSAT CAT
IMPORTANT
A coin is tossed five times. If the outcomes are heads and tails (in some order), then what is the possibility that the fourth toss is a head?
MEDIUM
CUSAT CAT
IMPORTANT
The probability that event occur is and the probability the occur is . Minimum and maximum possible values of is
HARD
CUSAT CAT
IMPORTANT
One ticket is selected at random from tickets numbered . Then, the probability that the sum of the digits on the selected ticket is , given that the product of these digits is zero, equals
MEDIUM
CUSAT CAT
IMPORTANT
All the thirteen spade cards are drawn from a pack and formed a new pack. From these spade cards, cards are drawn one by one without replacementd till the ace of spade comes. The probability the ace comes in the fourth draw is
MEDIUM
CUSAT CAT
IMPORTANT
A problem in mathematics is given to three students and their respective probability of solving the problem is and , the probability that the problem will be solved is
EASY
CUSAT CAT
IMPORTANT
Geetha and Somu appear for an interview for two vacancies in a company. The probability of Geethas selection is and Somu is . Then the probability that
(i) both of them are selected (ii) both of them are not selected are respectively
