21.11 Are teachers engaged in their work? Results from a Gallup survey conducted in 2013 and 2014 reveal that 30% of Kindergarten through Grade 12 school teachers report feeling engaged in their work. The report from this random sample of 6711 teachers stated that, with 95% confidence, the margin of sampling error was ±1.0%. Explain to someone who knows no statistics what the phrase “95% confidence’’ means in this report.