MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

A coin is tossed until a head appears or tail appears 4 times in a succession. Find the probability distribution of number of tosses.

Important Questions on Probability (Part-II)

MEDIUM
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 18
Two cards are drawn successively with replacement from a well shuffled pack of 52 playing cards. Find the probability distribution of the number of kings.
EASY
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 19
A random variable X takes all non-negative integral values and the probability that X takes the value r is proportional to 13r. Find PX=0.
MEDIUM
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 20
A random variable X takes all non-negative integral values and the probability that X takes the value r is proportional to 1r!5r. Find PX=0 and PX<3.
MEDIUM
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 21
Two cards are drawn from a pack of 52 playing cards. Find the probability distribution of the number of aces.
HARD
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 22
A die is loaded in such a way that an odd number is thrice likely to occur as an even number. If the die is tossed twice, find the probability distribution of random variable X  which represents the number of primes appeared in two tosses.
HARD
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 23
A die is loaded in a way that a multiple of 3 is twice likely to occur as a number which is not a multiple of 3. If the die is tossed thrice, find the probability distribution of a random variable X which represents the number of even appeared in three tosses.
MEDIUM
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 24
A coin is biased so that the head is 5 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails.
MEDIUM
12th West Bengal Board
IMPORTANT
RUDIMENTS of MATHEMATICS For Class 12 of +2 Level>Chapter 27 - Probability (Part-II)>EXERCISE>Q 25
A fair die is tossed twice. If the number appeared on the top is less than 3, it is a success. Find the probability distribution of number of successes.