Question

A box contains

5
plain pencils and
5
pens. A second box contains
7
color pencils and
3
crayons. One item from each box is chosen at random. What is the probability that a pen from the first box and a crayon from the second box are selected?

Answer 1

the pen has a 50% probability.The crayon has 4.28 probability.

Answer 2

5:5 (first box, pencils to pens)

7:3 (second box, coloured pencils to crayons)

The probability of picking a pen (1st box): 5/10

The probability of picking a crayon (2nd box): 3/10

Probability of picking both: 5/10*3/10 = 15/100