Interpret a confidence interval A dean at a certain college looked up the GPA for a random sample of 85 students The sample mean GPA was 2 82, and a 95 confidence interval for the mean GPA of all students in the college was 2 76 2 88 Choose the correct interpretation of the confidence interval We are 95 confident that the mean GPA of all students in the sample is between 2 76 and 2 88 We are 95 confident that the mean GPA of all students in the college is between 2 76 and 2 88 The probability is 0 95 that the mean GPA of all students in the college is between 2 76 and 2 88 95 of the students in the sample had a GPA between 2 76 and 2 88

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Interpret a confidence interval: A dean at a certain college looked up the GPA for a random sample of 85 students. The sample mean

Interpret a confidence interval: A dean at a certain college looked up the GPA for a random sample of 85 students. The sample mean GPA was 2.82, and a 95% confidence interval for the mean GPA of all students in the college was 2.76 <

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