Mathematics, 05.05.2020 04:06 hectorgonzalejr333
A random sample of 145 students is chosen from a population of 4,250 students. The mean IQ in the sample is 130, with a standard deviation of 7. Using a margin of error of 0.95%, what is the 90% confidence interval for the students' mean IQ score?
A) 98.98–101.02
B) 109–112.
C) 125–135
D) 129.05–130.95
Answers: 2
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A random sample of 145 students is chosen from a population of 4,250 students. The mean IQ in the sa...
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