answered 3 marks b) answered In how many ways can 3 boys and 4 girls be...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

b) order must be boy,girl,boy,girl,boy,girl,boy

number of ways = $4\times 3\times 3\times 2\times 2\times 1\times 1=144$

c) $9\times 9\times 8\times 7\times 6=27,216$

Answer 2

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