In each of the following situations, state the most appropriate null hypothesis regarding the population mean µ.
a. A new type of battery will be installed in heart pacemakers if it can be shown to have a mean lifetime greater than eight years.
b. A new material for manufacturing tires will be used if it can be shown that the mean lifetime of tires will be more than 60,000 miles.
c. A quality control inspector will recalibrate a flowmeter if the mean flow rate differs from 10mL/s.
● Capital of Palestine: two possibilities -- East Jerusalem is one of them ● Israel and Palestine: 6 is Israel and 7 is Palestine Lecture: Why is the Middle East so Authoritarian ● Democracy Index ○ Rank every country in the world based on pluralism, civil liberties, political culture/participation, etc. ○ Then it places countries...