A drawer contains 4 red socks, 7 white socks, and 11 blue socks. Without looking, you draw out a sock and then draw out a second sock without returning the first sock.
Find P(red, then white).
7/121
1/44
2/33
2/11
A drawer contains 4 red socks, 7 white socks, and 11 blue socks. Without looking, you draw out a sock and then draw out a second sock without returning the first sock.
Find P(red, then white).
7/121
1/44
2/33
2/11
4 answers
22 socks in all, so
4/22 * 7/21
4/22 * 7/21
oops, didn't mean to send it twice, my bad
thanks