A bag has 12 balls coloured yellow, blue, green and red The number of balls of each colour - Maths - Data Handling

Question

A bag has 12 balls coloured yellow, blue, green and red The number
of balls of each colour is the same A ball is drawn from the bag
Calculate the probability of drawing a yellow ball, a blue ball, a
green ball and a red ball at the same time

Sanjari Kalantri · Accepted Answer

Dear Student,

There are a total of 12 balls inside the bag
 There are equal number of yellow, blue, green and red balls
 So, there are 3 balls of each colour inside the bag
Since there are 12 balls, total number of outcomes = 12i P drawing a yellow ball = Number of yellow ballsTotal number of outcomes = 312 = 14ii P drawing a blue ball = Number of blue ballsTotal number of outcomes = 312 = 14iii P drawing a green ball = Number of green ballsTotal number of outcomes = 312 = 14iv P drawing a red ball = Number of red ballsTotal number of outcomes = 312 = 14

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A bag has 12 balls coloured yellow, blue, green and red. The number of balls of each colour is the same. A ball is drawn from the bag. Calculate the probability of drawing a yellow ball, a blue ball, a green ball and a red ball at the same time.