Question

than that out
A bag contains 18 balls out of which x balls are red.
) If one ball is drawn at random from the bag, what is the probability that is not
red? PAS: 19
(m) If 2 more red balls are put in the bag, the probability of drawing a red ball will be 9/8
times the probability of drawing a red ball in the first case. Find the value of x​

Answer 1

Sample Space = 18.

1. P [ The Balls Are Red ] = $X/18$

P [ The Balls are not red ] = $[ 1 - X ] / 18$

2. Now, sample Space = 20

$</p><p>/{ mathfrac{ X / 20 = 9/8 } }</p><p></p><p>Find X</p><p></p><p>$

Hope this helps....☝☝☝☝

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