choodsuperliasills choodsuperliasills

19-11-2016
Mathematics

contestada

A record collection consists of eight rock albums, twelve blues albums, and four classical albums. If two records are chosen random, find the probability that they are both blues? ...?

Respuesta :

scme1702 scme1702

21-11-2016

Total albums:
8 + 12 + 4 = 24

Probability of both blue = Probability of first blue x Probability of second blue
P(First blue) = 12/20
P(Second blue) = 11/19

P(Both blue) = 12/20 x 11/19
= 33/95

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