Question: Need help with part 2 only. How can all 7 boys be in the group if there are only 5 girls, and 4 possible slots

Need help with part 2 only. How can all 7 boys be in the group if there are only 5 girls, and 4 possible slots for the boys (between girl 1 and 2, 2 and 3, 3 and 4, 4 and 5)?

2(a) Seven boys and five girls formed a group in a school orientation. During one of the game segments, they are required to arrange themselves in a row. Find the exact probability that (i) the girls are separated from one another, [2 (ii) there will be exactly one boy between any two girls

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