A random sample of 600 voters in Centreville indicated that 90 of them believed their congressional representative was honest and trustworthy. (a) Identify the population and sample in the study. (b) Find the sample proportion of those who believed their congressional representative was honest and trustworthy. (c) Find the margin of error. (d) Find a 95% confidence interval for those who think that their congressional representative was honest and trustworthy.

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

answer: options

step-by-step explanation:

47

step-by-step explanation: