Question

13. A store has 5 white, 7 red, 8 black trousers. Four trousers are drawn one by one with without replacement.
The probability that all being white trousers is...
A. 5/1021
B. 1/969
C. 7/2012
D. 12/2111
​

Answer 1

Answer:

Store has 5 white, 7 red and 8 black trousers.

Hence total of 20 trousers.

To find:

The probability that all being white trousers

We know,

P(getting all white trousers)

$\frac{5}{20} \times \frac{4}{19} \times \frac{3}{18} \times \frac{2}{17} = \frac{1}{969}$

Answer 2

Answer:

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