Mathematics, 18.11.2019 21:31 Cosio

Arandom 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 is

1) 24.301 to 25.699
2) 24.385 to 25.615
3) 23.200 to 26.800
4) 23.236 to 26.764

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