Question 839001
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Hi
A dice is tossed and if the outcomes is number 1 or 6, a ball is selected randomly from box A {{{highlight_green(1/3)}}}of the time
otherwise a ball is selected randomly from box B {{{highlight_green(2/3)}}}of the time
Box A contained {{{6)}}}balls:  4 blue and 2 white
box B contained {{{(6)}}}balls: 2 blue, 3 white and 1 green ball

a) P(a blue ball is selected from box A) = {{{(1/3)(2/3)}}}  
b) P(a white ball is selected from box B) = {{{(2/3)(1/2)}}}
c) P(a white ball is selected from box A or box B) = {{{(1/3)(1/3)}}} +{{{(2/3)(1/2)}}}