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0
201
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The word geometry has eight letters. Three letters are chosen at random. What is the probability that two consonants and one vowel are chosen?

0.536
0.268
0.179
0.089

Guest Jun 14, 2017
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#1
+7155
+1

The word geometry has eight letters. Three letters are chosen at random. What is the probability that two consonants and one vowel are chosen?

0.536
0.268

0.179
0.089

geometry

5 consonants, 3 vowels

$$\frac{5}{8}\times\frac{4}{7}\times\frac{3}{6} =\frac{60}{336}\color{blue}=0.179$$

The probability for the above event is 0.179.
With 28 games, it will arrive on average 5 times.

!

asinus  Jun 14, 2017
#2
+79784
+1

CPhill  Jun 14, 2017
edited by CPhill  Jun 14, 2017
edited by CPhill  Jun 14, 2017

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