10 of 15 (9 co Suppose that in your city 30% of the voters are registered pe y a

Question

10 of 15 (9 co Suppose that in your city 30% of the voters are registered pe y a e enne independent. You are conducting a poll by calling registered volers at random a) a b) no Democrats? c) at least one l as Democrats, 28% as Rep bicans and 6% as embers of one pa s voos the poo rao ryth, d sha su n you frs th e calls what Round to three decimal places as needed) b) Th Round to three decimal places as needed) c) The probability of calling at least one Independents L Round to three decimal places as needed )

Explanation / Answer

Solution:-
10:
a) P(all republicans) = 0.28*0.28*0.28 = 0.022

b) P(no democrats) = (1-0.30)*(1-0.30)*(1-0.30) = 0.343

c) P(at least one indepedent) = 1 - P(no indepents)
= 1 - (0.64)(0.64)(0.64)
= 0.738

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