There are 7 beads in a bowl There is a number on each bead 1 4 4 5 7 Olly takes at random three of the beads He works out the

Question

There are 7 beads in a bowl There is a number on each bead 1 4 4 5 7 Olly takes at random three of the beads He works out the sum of the numbers on the three beads Work out the probability that the sum is an odd number

Kunduz · Accepted Answer

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