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4. [-/1 Points] DETAILS ILLOWSKYINTROSTAT1 10.PR.002. MY NOTES Indicate which of the following choices best identifies the hypothesis test. A new laundry detergent is tested on consumers. Of interest is the proportion of consumers who prefer the new brand over the leading competitor. A study is done to test this. two proportions single proportion single mean independent group means, population standard deviations and/or variances unknown O matched or paired samples O independent group means, population standard deviations and/or variances known