Question

a bag contains 15 balls numbered 1 to 15. Find the probability of drawing a prime number when a ball is drawn from a bag at random. (please explain the process too)​

Answer 1

Answer:

A bag contains, white, black and red balls only. A ball is drawn at random from the bag. If the probability of getting a white ball is \(\frac{3}{10}\) and that of a black ball is \(\frac{2}{5}\), then find the probability of getting a red ball. If the bag contains 20 black balls, then find the total number of balls in the bag. (2015OD) Solution: Let W, B and R denote the White, Black and Red balls respectively,

Step-by-step explanation:

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