Question 1181156
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<pre>

The space event consists of 4 elements

    BB, BG, GB, GG

each with the probability  {{{1/4}}}.


The favorable events are  BB, BG  and  GB.


Therefore, the probability under the problem's question is  {{{3/4}}} = 0.75 = 75%.    <U>ANSWER</U>
</pre>

Solved, answered and carefully explained.



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