Question: Please help me with 6 & 7 with work shown thank you 6. Construct a confidence interval for the population mean. The annual amount of

Please help me with 6 & 7 with work shown thank you

6. Construct a confidence interval for the population mean. The annual amount of rainfall across cities and municipalities in Butte County, n = 60 , x= 17.8, 80% confidence level, o = 6.1 7. Suppose you want to know the average amount of financial aid a full-time Citrus student receives their first semester. Find the minimum sample size required for an 99.5% confidence interval estimate to have an error margin of_ . A previous study has found o = 41.2 (Round final answer up to the next whole number) 8. The heights, in inches, from a random sample of 8 volleyball players are recorded below. Find a 99.5% confidence interval for the population mean. Assume a normal distribution. 76, 70, 72, 80, 75, 77, 79, 65

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