For each of the following, answer whether the distribution of X is necessarily normally distributed (YES) or not (NO), and briefly explain why. a) X = the sample mean age for random samples of size n = 50 from the population of New Yorkers of non-working age (defined as below 18 or above 64). b) X = the sample mean age for random samples of size n = 10 from the population of New Yorkers of non-working age (defined as below 18 or above 64). c) X = the sample mean age for random samples of size n = 10 from a population of individuals whose ages are known to be normally distributed.

Q: -48 6

A:

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Q: Sum of seriy n=1 2"+1 4ª

A: Explanation of the answer is as follows

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A: Given,

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A: We will divide 55/5 first  Using long division 55/5=11

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Q: How do I find Ho and Ha

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A:

Q: 1.25a +3> 0.5a-6 and 2.5a 129-1.5a

A:

Q: 1+3+5+7...+1003

A: Sum of n odd numbers, where the last term of the series is (2n – 1), is, Sn = 1 + 3 + 5 + …. + (2n –…

Q: egrand as a sum of

A:

Q: x+6 x+5 + = 8 2 3.

A: Simplify the rational expression as follows, The common factor of the denominator is 6. So, multiply…

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A:

Q: 196. 2(n+1)

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Q: the

A:

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A:

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A: Given that:36-9z

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A:

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A: Given that  26 + 4 × [9 - (1 + 4)] To simplify the expression

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A: The given expression is

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A: Given,