darrell surveys 200 smartphone users on whether they use text messaging. based on the survey, he estimates…

darrell surveys 200 smartphone users on whether they use text messaging. based on the survey, he estimates the percentage of smartphone users who use text messaging is 97%, with a margin of error of ±2.5%. enter numbers to complete the statement based on darrells survey. if darrells school has 1000 students, then he can expect the percentage of smartphone users who use text messaging to be between % and %.

darrell surveys 200 smartphone users on whether they use text messaging. based on the survey, he estimates the percentage of smartphone users who use text messaging is 97%, with a margin of error of ±2.5%. enter numbers to complete the statement based on darrells survey. if darrells school has 1000 students, then he can expect the percentage of smartphone users who use text messaging to be between % and %.

Answer

Answer:

94.5, 99.5

Explanation:

Step1: Calculate lower - bound percentage

$97 - 2.5=94.5$

Step2: Calculate upper - bound percentage

$97 + 2.5=99.5$