SOLUTION: Please show me steps for solving using combination and probability formulas
A woman has 14 different shirts - 10 white - 4 red if she randomly chooses 2 what is probability she
Question 1128605: Please show me steps for solving using combination and probability formulas
A woman has 14 different shirts - 10 white - 4 red if she randomly chooses 2 what is probability she will choose 2 white shirts. what is solution in fraction and percent Answer by ikleyn(52776) (Show Source):
In all, there are = = 91 different pairs.
When we select only the pair of 2 white shirts, it means that we select from 10 white shirts.
Therefore, the number of all different pairs of white shirts is = = 45.
The ratio is the probability under the question and is your ANSWER.