brookederKaylieber brookederKaylieber

15-04-2017
Mathematics

contestada

Miriam has a bag that contains 10 red marbles and 6 blue marbles. she chooses two marbles at random and does not replace them. what is the probability that the first marble is blue and the second marble is red?
a.
b.
c.
d.

Respuesta :

konrad509 konrad509

11-08-2018

[tex] |\Omega|=16\cdot15=240\\
|A|=6\cdot10=60\\\\
P(A)=\dfrac{60}{240}=\dfrac{1}{4}=25\% [/tex]

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