Question

A box contains 3 pens 2 markers and 1 highlighter.sara selects one item

at random and does not return it to the box she then selects a second

item at random what is the probability that sara selects one pen and

then one marker.

Answer 1

Given,

3 pens, 2 markers and 1 highlighters

Total = 6

Probability that sara selects one pen and

then one marker-

$P=\dfrac{^3C_1\times ^2C_1}{^6C_2}$

$=\dfrac{6}{15}=0.4$