Question

In a recent survey of high school seniors, 74% of those surveyed stated they were planning on attending college the following year. The margin of error was 3%. Find the likely interval that contains the percentage of high school seniors that were planning on attending college the following year.

Answer 1

since

74% of the surveyed planning on attending college

margin of error was 3%

likely interval is given by

`X\pm Error`

then

`74+3=77`
`74-3=71`

then the likely interval that contains the percentage of high school seniors that were planning on attending college the following year is

[tex]71\%