<span>The statement which best explains how the idea that “ignorance is bliss” fits into Kant’s argument is: d. It is a way of rejecting the logic of his predecessors. This idiomatic phrase literary means 'the less I know the less I care about things', so according to its meaning it becomes clear that Kant would rather rely on his own experiments and investigation than just follow unsuccessful ideas of his predecessors.</span>
The z score can be calculated by the difference of population and sample mean divided by standard error. Standard error can be calculated as the standard deviation divided by square root of sample size From the given the standard error: SE = 12/sqrt (20) = 2.68 Z = (208 -195)/2.68 = 4.85
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