Home
Class 12
MATHS
Two cards are drawn successively without...

Two cards are drawn successively without replacement from a well shuffled deck of cards . Find the mean and standard variation of the random variable X , where X is the number of aces .

Text Solution

Verified by Experts

The correct Answer is:
Mean `=2/13` Variance `=400/2873`
NA
Promotional Banner

Topper's Solved these Questions

  • PROBABIILITY

    NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 13 E|12 Videos

  • PROBABIILITY

    NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 13 F (multiple Choice Questions)|10 Videos

  • PROBABIILITY

    NAGEEN PRAKASHAN ENGLISH|Exercise Exercise 13 C|15 Videos

  • MATRICES

    NAGEEN PRAKASHAN ENGLISH|Exercise Miscellaneous Exerice|15 Videos

  • RELATIONS AND FUNCTIONS

    NAGEEN PRAKASHAN ENGLISH|Exercise Miscellaneous Exercise|19 Videos

Similar Questions

Explore conceptually related problems

Two cards are drawn successively with replacement from a well shuffled deck of 52 cards. Find the mean and standard deviation of the number of aces.

Two cards are drawn successively with replacement from a well-shuffled deck of 52 cards . The mean of number of Aces is

Two cards are drawn successively with replacement from a well shuffled deck of 52 cards, then the meanof the number of aces is

Two cards are drawn successively without replacement from a well shuffled pack of 52cards. Find the probability distribution of the number of aces.

Two cards are drawn successively with replacement from a well shuffled pack of 52 cards. Find the probability distribution of the number of aces.

Two cards are drawn simultaneously (without replacement) from a well-shuffled pack of 52 cards. Find the mean and variance of the number of red cards.

Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. Find the probability distribution of the number of kings.

Two cards are drawn simultaneously (or successively without replacement) from a well shuffled pack of 52 cards. Find the mean and variance of the number of red cards.

Two cards are drawn simultaneously (or successively without replacement) from a well shuffled pack of 52 cards. Find the mean, variance and standard deviation of the number of kings.

Two cards drawn without replacement from a well shuffled pack of 52 cards. Find the probability that cards drawn are aces.