For the binomial distribution, the number of trials n is a fixed number. Let X denotes the

Question:

For the binomial the number of trials n is a fixed number. Let X denotes 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 approximates well the probability 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 and p .
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...