Mathematics, 06.10.2021 01:00, Itskiyya

1) In a poll of 390 voters in a certain city, 77% said that they backed a bill which would limit growth and development in their city. The margin of error in the poll was reported

as 5 percentage points. Which statement is correct?

A) There is not enough information to determine whether the margin of error is

consistent with the sample size,

B) The standard deviation is approximately 10 percentage points.

C) The standard deviation is approximately 2.5 percentage points

D) The sample size is too small to achieve the stated margin of error,

Answers: 3

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1) In a poll of 390 voters in a certain city, 77% said that they backed a bill which would limit g...