6.50Binomial needs fixed nFor the binomial distribution,the number of trials n is a fixed number. Let X denote thenumber of girls in a randomly selected family in Canadathat has three children. Let Y denote the number of girls ina randomly selected family in Canada (that is, the numberof children could be any number). A binomial distributionapproximates well the probability distribution for one of Xand Y, but not for the other.a. Explain whyb. Identify the case for which the binomial applies andidentify n andp.m vori

Question
Asked Oct 17, 2019
6.50
Binomial needs fixed n
For the binomial distribution,
the number of trials n is a fixed number. Let X denote the
number of girls in a randomly selected family in Canada
that has three children. Let Y denote the number of girls in
a randomly selected family in Canada (that is, the number
of children could be any number). A binomial distribution
approximates well the probability distribution for one of X
and Y, but not for the other.
a. Explain why
b. Identify the case for which the binomial applies and
identify n andp.
m vori
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6.50 Binomial needs fixed n For the binomial distribution, the number of trials n is a fixed number. Let X denote the number of girls in a randomly selected family in Canada that has three children. Let Y denote the number of girls in a randomly selected family in Canada (that is, the number of children could be any number). A binomial distribution approximates well the probability distribution for one of X and Y, but not for the other. a. Explain why b. Identify the case for which the binomial applies and identify n andp. m vori

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Expert Answer

Step 1

From the given information,

For binomial distribution, the number of trials n are always constant or fixed.

So,

X = number of girls in a randomly selected fam...

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