A survey of 2,850 Canadian Internet users revealed that 1,400 of them had posted a photo or video online. A technology researcher wishes to use this result to test his claim that less than half of Internet users in Canada have posted photos or videos online. Use a=0.05. This hypothesis test is Oa right-tailed test for the population mean a right-tailed test for the population proportion O a left-tailed test for the population mean O a left-tailed test for the population proportion O a two-tailed test for the population proportion

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