Asked by Aj
In a box of markers there are eight which have dried up and will not write. The box contains 15 red, 15 purple, 5 black and 10 white markers. A marker is picked at random from the box.
Find the probability that
a) it is red
b) it is not black
c) it is purple or white
d) it is orange
e) it is neither black or white
Find the probability that
a) it is red
b) it is not black
c) it is purple or white
d) it is orange
e) it is neither black or white
Answers
Answered by
bobpursley
total markers above: 45
Pr(red)=15/45
pr(orange)=0/45
Pr(not black or white)= 30/45
Pr(red)=15/45
pr(orange)=0/45
Pr(not black or white)= 30/45
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