All the spades are taken out from a pack of c | vedclass

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Question

The probability of not drawing ace in first, second, third draw respectively are $\frac{12}{13}, \frac{11}{12}, \frac{10}{11}$ respectively.

Probab

Vedclass · Accepted Answer

$\frac{1}{13}$

Vedclass · Answer

The probability of not drawing ace in first, second, third draw respectively are $\frac{12}{13}, \frac{11}{12}, \frac{10}{11}$ respectively.

Probability of drawing ace of spade in $4^{	ext {th }}$ draw $=\frac{1}{10}$ required prob. $=\frac{12}{13} 	imes \frac{11}{12} 	imes \frac{10}{11} 	imes \frac{1}{10}=\frac{1}{13}$

All the spades are taken out from a pack of cards.From these cards, cards are drawn one by one without replacement till the ace of spade comes. The probability that the ace of spade comes in the $4^{th}$ draw is

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