The Mean Commute Time To Work For Residents Of New York City Is 34 1 Minutes With A Standard Deviation Of 8 85 Minutes 1 (40.38 KiB) Viewed 38 times
The Mean Commute Time To Work For Residents Of New York City Is 34 1 Minutes With A Standard Deviation Of 8 85 Minutes 2 (21.43 KiB) Viewed 38 times
The mean commute time to work for residents of New York City is 34.1 minutes with a standard deviation of 8.85 minutes. The mean commute time to work for residents of San Diego is 23.7 minutes with a standard deviation of 6.3 minutes. A randomly selected New Yorker took 25.5 minutes while a randomly selected San Diegan took 17.6 minutes to commute to work. How much shorter was the San Diegan's commute time? Express the answer as decimal value rounded to the nearest tenth.
Revisit the previous problem. Assume each distribution in that problem is approximately normal. Relative to the city, who had the shorter commute? Do not just state the answer. Type up a mathematical justification for your answer. If you prefer to write the mathematical justification and upload it along with your work instead, feel free to do so.
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