Mathematics, 24.12.2019 02:31, shwubblz

Abuilding manager installs sensors to see how often people turn off the lights when they leave a room. after a month the manager has sample size of 900, a sample mean of 47%, and a sample standard deviation of 6%. what is the confidence level for a confidence interval of 46.4% to 47.6%? a. 85% b. 95% c. 68% d. 99.7%

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Abuilding manager installs sensors to see how often people turn off the lights when they leave a roo...