Mathematics, 14.10.2019 14:20 twistedgamerhd12
Aperson carries 3 bottles of compound x, 3 bottles of compound y and 3 bottles of compound z. while x and y will react vigorously, z will prevent the reaction from happening. if the person falls and 3 random bottles react, what is the probability that a vigorous reaction will happen?
i tried solving this question like this:
possible combinations:
abb
aba
3/6 x 3/5 x 2/4 = 18/120
3/6 x 3/5 x 2/4 = 18/120
18/120 x 2 = 3/10
i'm wondering if the order of the bottles matter and if the the number of bottles of z should be counted (e. g. 3/9 x 3/8 x 2/7)?
tell me if i'm wrong and provide the right way to do
Answers: 1
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