A bag has $5$ red balls and $7$ yellow balls. (The balls are identical in all respects other than colour). A ball is drawn from the bag without looking into the bag. What is the probability of getting a yellow bag?

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Solution

number of cases of getting a yellow ball when drawn is $7$
total cases is $12$
now probability of drawing a yellow ball is $\frac{7}{12}$

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A bag has 5 red balls and 7 yellow balls. (The balls are identical in all respects other than colour). A ball is drawn from the bag without looking into the bag. What is the probability of getting a yellow bag?

number of cases of getting a yellow ball when drawn is 7total cases is 12now probability of drawing a yellow ball is 712

A bag has $5$ red balls and $7$ yellow balls. (The balls are identical in all respects other than colour). A ball is drawn from the bag without looking into the bag. What is the probability of getting a yellow bag?

number of cases of getting a yellow ball when drawn is $7$
total cases is $12$
now probability of drawing a yellow ball is $\frac{7}{12}$