question 1 lets say jim works for the housing authority and he wants t
Question 1: Let's say Jim works for the housing authority, and he wants to find out between what two values is the true mean value of square feet of housing there is for the purpose of budgeting cost for funding. Jim takes out a random sample of n=100 apartments and finds the sample mean to be 605. he also knows that the population standard deviation is 72. a.) Calculate the 90% confidence interval for theabove. (Useful tip: Use table 1 on pg. 3 of Lesson 6 part 1, to findZ90% ) b.) Calculate the 99% confidence interval for the above. (Useful tip: Use table 1 on pg. 3 of Lesson 6 part 1, to find Z99% ) c.) For what sample size N is needed to ensure a margin of error=0.1 for 99% confidence.
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