Question

Seven white balls and three black balls are randomly placed in a row. Find the probability that no two black balls are placed adjacent to each other.

Answer 1

Answer:

P=1/10

Step-by-step explanation:

No. Of white balls=7 balls

No. Of black balls=3 balls

Total no. Of balls=10 balls

E= no.Of black balls not adjacent to each other. = 1 ball.

P(E) =no. Of favourable outcomes/total no. Of favourable outcomes

P(E) = 1/10

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