1. You are given the following information and then asked to write a hypothesis test with a 95% level of confidence to evaluate whether or not it is likely that the population mean is equal to 76for a given variable.N=10,000 X-bar=74 S²=10,000
2. You are given the following information and then asked to write a hypothesis test with a 95% level of confidence to evaluate whether or not it is likely that the population mean is equal to440for a given variable.N=1500 X-bar=450S²=10,000
3. Explain the differences in these CIs, and why they occur.