Question

There are seven black socks, eight blue socks, 10 white socks, and five patterned socks in the drawer. What is the probability of pulling a blue sock, replacing it, and then drawing a patterned sock out of the drawer?

Answer 1

what does it mean replacing it

Answer 2

do u want the prob of a pair of blue and then a patterned one

Answer 3

replacing it meaning putting it back in after using it

Answer 4

ok

Answer 5

lets do the obvious one first

Answer 6

what is the probability of pulling a blue sock!

Answer 7

7/30

Answer 8

hey!

Answer 9

u got 8 blue dont u

Answer 10

oh yeah

Answer 11

8/30

Answer 12

ok so when u put it back

Answer 13

what isthe chance of pulling a pattern one

Answer 14

5/30

Answer 15

so now, IF you HAVE TO pull a blue first and put it back and then pull 5/30 probability what is that

Answer 16

not sure

Answer 17

you multiply 8/30 * 5/30

Answer 18

but if u wanna know why, we are doing that, i can explain, but using different numbers, cuz drawing 30 socks will be too hard

Answer 19

no thats cool so it's 4/9 thanks

Answer 20

ya, but i urge you to really understand why we are multiplying from somewhere else, thats really all u need to know