EASY
12th West Bengal Board
IMPORTANT
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A biased die is twice as likely to show an even number as an odd number. The die is rolled three times. If occurrence of an even number is considered as success. Consider the probability distribution of the number of doublets in three throws of a pair of dice and find its mean.

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Important Questions on Probability (Part-II)

EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 9
A pair of dice is thrown 7 times. If 'getting a total of 7' is considered as a success, find the probability of getting, no success.
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 9
A pair of dice is thrown 7 times. If 'getting a total of 7' is considered as a success, find the probability of getting, exactly 6 Successes.
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 9
A pair of dice is thrown 7 times. If 'getting a total of 7' is considered as a success, find the probability of getting, at least 6 successes.
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 9
A pair of dice is thrown 7 times. If 'getting a total of 7' is considered as a success, find the probability of getting at most 6 successes.
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 10
There are five multiple choice question in a question set of an examination. Each question has three possible answers out of which only one is correct. What is the probability that an examinee would get four or more correct answers just by guessing?
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 11
Three cards are drawn successively with replacement from a well shuffled deck of 52 Playing cards. If getting a card of heart is considered a success, find the probability distribution of the number of successes.(Write PX=3 value)
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 12
A bag contains 5 white, 7 red and 8 black balls. If four balls are drawn one by one with replacement, what is the probability that, none is white.
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 12
A bag contains 5 white, 7 red and 8 black balls. If four balls are drawn one by one with replacement, what is the probability that, all are white.