probability question. .......please solve
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Total balls =4+3=7
No. of blue balls =4
No. of black balls =3
Probability of balls to be blue =no. of blue balls square /Total no. of balls square
=4 square /7 square
=16/49 so d. is the right answer.
No. of blue balls =4
No. of black balls =3
Probability of balls to be blue =no. of blue balls square /Total no. of balls square
=4 square /7 square
=16/49 so d. is the right answer.
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