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QUESTION
In a similar online poll conducted in 2016, 80% of adults supported the claim.
In a similar online poll conducted in 2016, 80% of adults supported the claim. In order to determine if the proportion of adults who support the claim in 2017 is higher than one year ago, we would like to perform the following hypothesis test: Out of the 500 adults, 420 answered yes
H_0: p=0.80
