Essay
Use the one-proportion z-test to perform the required hypothesis test. Use the critical-value approach.
-In a sample of 90 adults selected randomly from one town, it is found that 6 of them have been exposed to a particular strain of the flu. At the 0.01 significance level, test whether the proportion of all adults in the town that have been exposed to this strain of the flu differs from the nationwide percentage of 8%.
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