The city of raleigh has 9500 registered voters. there are two candidates for city council in an upcoming election: brown and feliz. the day before the election, a telephone poll of 350 randomly selected registered voters was conducted. 105 said they'd vote for brown, 235 said they'd vote for feliz, and 10 were undecided. what is the population of this survey?

 The total registered voters of the city Raleigh i.e. 9500 registered voters.

Step-by-step explanation:

In statistics , the term population refers to the entire group of individuals having similar characteristics .

The the population of this survey is the total registered voters of the city Raleigh i.e. 9500 registered voters., because a telephone poll have selected a sample regarding of the registered voters and a sample is a finite subset of a population.

Therefore, the population of this survey is the total registered voters of the city Raleigh.

Since, The city of Raleigh has 9500 registered voters.

Thus, population of this survey is 9500 registered voters.

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

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