Michael has a drawer with 8 pairs of black socks and 12 pairs of white socks. Without looking he takes a white pair of socks out of the drawer. What is the probability that the next pair he takes out is white?

A)
8/20

B)
8/19

C)
11/20

D)
11/19

Question

Michael has a drawer with 8 pairs of black socks and 12 pairs of white socks. Without looking he takes a white pair of socks out of the drawer. What is the probability that the next pair he takes out is white?
	

A)
	8/20
	
	

B)
	8/19
	
	

C)
	11/20
	
	

D)
	11/19

anonymous · Answer

a) 8 + 12 = 20 and if he takes 1/8 its of the 8 pairs making it 8/20

shiree19 · Answer

D

anonymous · Answer

confused right now.

rock_mit182 · Answer

it is D : because he has took away one pair of white socks for the first event.which leave us with a total of 19 possibilities:
  11 white socks + 8 black sucks (total possibilities)

rock_mit182 · Answer

and we want to know the possibility of get a white pair of sucks ( again)

anonymous · Answer

No...but its without replacement so its 20

shiree19 · Answer

if you don't replace it then it would me 19 not 20

rock_mit182 · Answer

P  = 8/ 19          ( EIGHT PAIRS of white socks over the total possibilities

shiree19 · Answer

there are 12 pairs of white socks and 8 pairs of black socks.

rock_mit182 · Answer

im sorry 11 white sucks

shiree19 · Answer

so 11/19 is correct

rock_mit182 · Answer

are left yeah 11/ 19

shiree19 · Answer

@Purple_Snack Can I please have a medal, as I answered the correct answer first?