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length of confidence interval and appropriate A. Find the length of the following confidence interval. 1. 0.0254 C. Solve the following problems. 11. In a
length of confidence interval and appropriate
C. Solve the following problems. 11. In a group presentation, the average geometric reasoning of Grade 10 students in a Mathematics camp was observed to be 80 with s standard deviation of 4. A researcher wants to replicate the study to estimate the true population mean g to within 0.5 maximum error. If the 98% level of confidence is adopted, how many respondents are needed? 12. Teacher Carol, wants to conduct a survey about the average number of students in a certain school who wants online class instead of distance modular learning. If she plans to use 99% confidence level, 0.5 as the margin of error, and a standard deviation of 5. How many sample sizes does she need for the survey?
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