Question

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Answer 1

Answer:

Step-by-step explanation:

there are 18 - x balls which are not red. the probability of a none red ball is therefore (18 - x) / 18.

Answer 2

total no.of balls=18
no.of red balls=x
no.of ball which are not red=18-x

p(e)=no.of balls which are not red/total no.of balls
=(18-x)/18

hope it helps you.....