You want to rent an unfurnished one-bedroom apartment indowntown San Diego next year. The mean monthly rent for a randomsample of 100 apartments advertised on Craigslist is $1800. Assumea population standard deviation of $150. Find a confidence intervalestimate for the population mean of rent for an unfurnishedone-bedroom apartment in downtown San Diego.
5)Find a 95% confidence interval for the true (population) meanof rent for an unfurnished one-bedroom apartment in downtown SanDiego.
6)Sketch the graph illustrating the 95% confidence intervalmaking sure to label and shade appropriately. Leave the answer boxempty and upload the graph after submitting the quiz.
7)The CEO of a flashlight manufacturing company claims that anaverage flashlight lasts 300 days. A researcher randomly selects 15flashlights for testing. The sampled flashlights last an average of290 days, with a standard deviation of 50 days. Use the Student'st-distribution to construct a 96% confidence interval for theaverage (mean) amount of hours for all flashlights. Use theconfidence interval to describe the lifetime of the company’sflashlights.
