Question

express the confidence interval 12.8% ± 5.9% in the form of an inequality. % < p < % > next question

Explanation:

Step1: Calculate the lower - bound

$12.8\%−5.9\% = 6.9\%$

Step2: Calculate the upper - bound

$12.8\% + 5.9\%=18.7\%$

Answer:

$6.9\%