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What is the probability of rolling a number greater than 2
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03 Mar 2019, 03:33
03 Mar 2019, 03:33
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89% (00:38) correct
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What is the probability of rolling a number greater than 2 twice in a row on a fair six-sided die, with each of the numbers 1– 6 on each side?
A. \(\frac{1}{4}\)
B. \(\frac{5}{18}\)
C. \(\frac{4}{9}\)
D. \(\frac{5}{9}\)
E. \(\frac{2}{3}\)
A. \(\frac{1}{4}\)
B. \(\frac{5}{18}\)
C. \(\frac{4}{9}\)
D. \(\frac{5}{9}\)
E. \(\frac{2}{3}\)
Re: What is the probability of rolling a number greater than 2
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05 Mar 2019, 12:41
05 Mar 2019, 12:41
on the first time, the probably of rolling a number greater than 2 = 4/6
on the second time, the probably of rolling a number greater than 2 = 4/6
so, the probability of rolling a number greater than 2 twice in a row = 4/6 x 4/6 = 16/36 = 4/9.
Answer choice C.
on the second time, the probably of rolling a number greater than 2 = 4/6
so, the probability of rolling a number greater than 2 twice in a row = 4/6 x 4/6 = 16/36 = 4/9.
Answer choice C.
gmatclubot
Re: What is the probability of rolling a number greater than 2 [#permalink]
05 Mar 2019, 12:41
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