Question

from a bag containing 4 white and black balls a man draws 3 at random. What are the odds against these being all black​

Answer 1

Hey mate,..

Favourable outcomes =3

Total number of outcomes=7

probability =3/7..

Hope it will help you with the

Answer 2

HEY MATE YOUR ANSWER IS HERE.....

• ACCORDING TO THE GIVEN CONDITION

• A bag contains 4 white and 4 black balls.

• Therefore,

Sample space={8}

• LET A BE THE EVENT WHERE THE BALL DRAWN IS BLACK.

• Therefore,

n(A) = 4

Probability of getting a black ball=

$\frac{n(a)}{n(s)} \\ \\ = \frac{4}{8}$

• TOTAL OUTCOMES=8

• FAVOURABLE OUTCOMES=3

• PROBABILITY =3/8

HOPE IT HELPS YOU OUT.

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