Question

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.

Answer 1

Total possible outcomes = 6 × 2 × 2 = 24

The probability of picking a white sock is :

1/24

And for a black sock is :

1/24

We want :

P(a pair of black socks or white socks)

= p(white and white) or p(black and black)

= (1/24 × 1/24) + (1/24 × 1/24)

= 1/288

Answer 2

Step-by-step explanation:

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