He wants to first determine the percentage of adults who have heard of the brand. How many adults must be survey in order to be 95% confident that his estimate is within eight percentage points of the true population percentage? Assume that a recent survey suggests that about 88% of adults have heard of the brand.

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!

a

step-by-step explanation:

a

step-by-step explanation: