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Out of 320 Families with 5 children each, what percentage would be expected to have

a) 2 boys and 2 girls and

b) at least one boy?

Assume equal probability for boys and girls

1
i ll send you

the distribution of typing mistakes committed by a typist is given below ::

no of mistake per page 0 1 2 3 4 5 and no of pages 142 156 69 27 5 1 assuming a posson mode, find out the expected frequencies:

nope i didn't learn poisson's mode

oh so is there any other way through which i can find out my answer

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