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JEE 2020 Mathematics : Introduction to Probability (27.09.2019)
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Question 1
If A and B are two independent events, such that and Find the value of
Question 2
If P(A) = .65, P (B)= .80, then P lies in the interval
Question 3
A cricket team plays x number of matches in winter and wins m matches. Further, it plays y number of matches in summer and wins n matches. Its winning probability in both the seasons is
Question 4
If two events A and B. If odds against A are as 2: 1 and that infavour of A ∪ B are 3: 1, then
Question 5
If two dice are thrown simultaneously, then the probability that the sum of the numbers which come up on the dice to be more than 5 is____.
Question 6
Two dice are thrown simultaneously. The probability of obtaining a total score of 5 is
Question 7
Given that the events A and B are independent, if P(A') = and P(B’) = , then P(A ∩ B) is equal to
Question 8
In a certain town, 60% of the families own a car, 30% own a house and 20% own both a car and a house. If a family is randomnly chosen, what is the probability that this family owns a car or a house but not both?
Question 9
If the letters of the word PROBABILITY are written down at random in a row, the probability that two B’s are together is
Question 10
The letters of the word EQUATION are arranged in a row. Find the probability that all vowels are together.
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Mar 26JEE & BITSAT