Stochastic Models for Computer Science:

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7. (a) In how many ways can 3 boys and 3 girls sit in a row? (b) In how many ways can 3 boys and 3 girls sit in a row if the boys and the girls are each to sit together? together? same sex are allowed to sit together? (c) In how many ways if only the boys must sit (d) In how many ways if no two people of the