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Home » Coloured balls are distributed in four boxes as shown in the following table     A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black, what is the probability that ball drawn is from the box III.
Coloured balls are distributed in four boxes as shown in the following table

    \[\begin{tabular}{cc|c|c|c} \hline Box & \multicolumn{3}{c}{ Colour } \\ & Black & White & Red & Blue \\ \hline I & 3 & 4 & 5 & 6 \\ \hline II & 2 & 2 & 2 \\ \hline III & 1 & 2 & 1 \\ \hline IV & 4 & 3 & 5 \\ \hline \end{tabular}\]

A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black, what is the probability that ball drawn is from the box III.
CBSE | Class 12 | Exercise 31.7 | Maths | Probability | RD Sharma
Coloured balls are distributed in four boxes as shown in the following table

    \[\begin{tabular}{cc|c|c|c} \hline Box & \multicolumn{3}{c}{ Colour } \\ & Black & White & Red & Blue \\ \hline I & 3 & 4 & 5 & 6 \\ \hline II & 2 & 2 & 2 \\ \hline III & 1 & 2 & 1 \\ \hline IV & 4 & 3 & 5 \\ \hline \end{tabular}\]

A box is selected at random and then a ball is randomly drawn from the selected box. The colour of the ball is black, what is the probability that ball drawn is from the box III.

As per the given question,

i

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