Mathematics
Mathematics, 14.07.2019 19:30, uc22912

Arandom sample of 140 students is chosen from a population of 3,500 students. if the mean iq in the sample is 105 with a standard deviation of 9, what is the 95% confidence interval for the students' mean iq score? answer options: a. 100-120 b.107.9-112.1 c. 103.5-106.5 d.108.66-11.34

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