Your sock drawer has 3 pairs of black socks, 4 pairs of brown socks, 1 pair of yellow socks and 5 pairs of blue socks. you reach
into the drawer in the dark and randomly pick out 2 pairs for your business trip. what is the probability your pick out in this order. 2 black pairs?
1 answer:
All socks together: 13
Black socks: 3
Probability to pick out black socks: 3/13
After one pick out (You picked out a pair of black socks):
Probability to pick out black socks: 2/12
Multiply them:
2/12 * 3/13 = 1/26 ≈ 0,038
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5 8/12 in the simplest form is 17/3
72*12 = 2*2*2*2*2*3*3*3 = 2^5*3^3
The awnser is D but could also maybe be B
The mode is 44
The range is 3
The median is 44
The mean is 44
