Asample poll of 100 voters chosen at random from all voters in a given district indicated that 55 of them were in favor of a particular candidate. find the 99% confidence limits for the proportion of all voters in favor of this candidate.

The confidence interval for proportion is

Here

Using standard normal tables .

The 99% confidence interval for proportion is

The CI interpretation is that "We are 99% confident that the proportion of voters in favor of the candidate lies between 0.422 and 0.678".

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

just sum

10 + 10 = 20