mean and variance of population distribution - law of large numbers - plz help

A population distribution has a mean of 10 and a variance of 16. Determine the mean and variance of Ybar from an i.i.d. sample from this population for a) n=10, b) n= 100 and c) n=1000. Relate the answers to the law of large numbers.

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Re: mean and variance of population distribution - law of large numbers - plz help

Re: mean and variance of population distribution - law of large numbers - plz help