Josh keeps his socks and shirts in different drawers. He has twelve white, five blue, and seven black socks. He also has three white, five black, and two grey shirts. He pulled out a sock and a shirt in the dark. What are the chances that he will get a black sock and a grey shirt?

P(blk sk AND gy shr)=P(blk sk)*P(gy shr)=7 /578

P(gy shr)=2/34

P(blk sk)=7/34

blk=Black

sk=Sock

gy=Grey

shr=Shirt

the correct answer is 5

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

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