The answer is d. since the sock with a hole was returned, the probability of getting a black sock is out of 3 out of 9 because there are 3 black socks and 9 socks total. hope this helps!
Use a ratio to compare this quantity 3 kg ; 200g
2 answers:
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Try this option.
1 is for scalar (result is number), 2 is for vector (result is vector).
1 is for scalar (result is number), 2 is for vector (result is vector).