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Question
A random sample of 36 students at a community college showed an average age of 25 years. Assume the ages of all students at the college are normally distributed with a standard deviation of 1.8 years. The 98% confidence interval for the average age of all students at this college isa. 24.301 to 25.699
b. 24.385 to 25.615
c. 23.200 to 26.800
d. 23.236 to 26.764
Answer
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