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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?

answer choices:

0.536
0.268
0.179
0.089

 Jun 14, 2017
 #1
avatar+8051 
+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?

answer choices:

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.

 

laugh  !

 Jun 14, 2017
 #2
avatar+98061 
+1

cool cool cool                                                                                                                                                                                                                                                                                               

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

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