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A box contains4 plain pencils and 4 pens. A second box contains 9 color pencils and 1crayon. One item from each box is chos en at random. What is the probability that a pen from the first box and a crayon from the second box are selected?
Write your answer as a fraction in simplest form.

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josshyaby

Answer:

Step-by-step explanation:

1st box: -

No. Of Color pencil = 9

No. Of Pen= 4

Total in box = 8

Prob(pen) = 4/8 = 1/2

2nd box:-

No. Of Plain pencil = 9

No. Of crayon = 1

Total in box = 10

Prob(crayon) = 1/10

Prob(1st pen and 2nd crayon) =

1/2 × 1/10 = 1/20

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