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Determining Probabilities - Ancorage, Alaska

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Assume that the population of Ancorage, Alaska is 265,000. The City of Anchorage is made up of 40% Females. Further assume we take a random sample of 11 individuals. (Assume 60% are Males).Determine the probabilties.

A.That all are males

B.Thats between 5 and 7 are males

C.That 3 or less are males

D.That more than 8 are females

E.That none are females

F. That atmost three are males.

G.Thats eight, nine or ten are males

H. That exactly 5 are females

I. At least 7 are females

J.Less than 3 are males.

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Solution Summary

This solution provides a detailed step by step explanation of the given statistical probability problem. The basic calculations are done in Excel and a more detailed explanation of the calculations is provided in both PDF and Word format.

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The basic calculations are done in Excel and a more detailed explanation of the calculations is provided in both PDF and Word format.

a. That all are males

Here we need P(X=11) =0.00362797

b. That's between 5 and 7 are males ...

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