What is the chance of picking up a pair of black socks?

1/2 of 11/23
To calculate the probability of picking a matching pair, you multiply the two numbers. So, the probability of picking a matching pair of black socks is 1/2 of 11/23.

What is the minimum number of socks needing to be picked to guarantee a matching pair?

To guarantee a matching pair, you have to pull out three socks.

How many socks should Prepbuddy remove from her drawer until she finds a matching pair?

Sample Test case Explanation In the first test case, there is just 1 pair of socks i.e 2 socks in her drawer, so she has to remove both to get a pair, therefore the output is 2 .

How many pairs of black and white socks are there?

There are 6 pairs of black socks and 6 pairs of white socks.What is the probability to pick a pair of black or white socks when 2 socks are selected randomly in darkness. This question was asked in Aamaon.

What is the probability of drawing 2 socks from the drawer?

For each set of socks, there are 8. 8 * 7 (7 other socks to each being matched) = 56 possible combinations in each set of socks / 2 to remove duplicates = 28 possible combinations of socks in each set. 28 / 780 = 0.036 probability of drawing a pair when drawing 2 socks from the drawer. Cheers guys!

How many black socks are in a drawer?

SOLUTION: A drawer contains 6 black socks, and 8 white socks unpaired. IN the dark a man takes out two socks one after the other Using a probability tree determine the probability that the m Question 942598: A drawer contains 6 black socks, and 8 white socks unpaired.

How to pull two matching socks in 3 draws?

To pull two matching socks in three draws. you can pull 3 socks of the same color, or 2 socks of one color, and sock of annother color. $\\frac{5{4\\choose2}*16 + 5*{4\\choose3} }{20\\choose3}$ we can keep going with this methodolgy to work up to 4 and 5 4 draws.