Please Answer Question 22 (1 point) Neuroinvasive West Nile virus is a severe di

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Question 22 (1 point) Neuroinvasive West Nile virus is a severe disease that affects a person's nervous system. It is mosquito. In the United States in 2010 there were 629 reported cases of neueoinvasive West Nile virus out of a reported cases, and there were 486 neuroinvasive reported cases out of a total of 712 cases reported in 2011 Is the 2011 proporti conduct an appropriate hypothesis test. on more than the 2010 proportion of neuroinvasive West Nile virus cases? using a 1% level of significa nce, This is: O a) a test of matched pairs O b) a test of two independent means O c) a test of two proportions O d) a test of a single mean

Explanation / Answer

Here we are trying to test whether the 2011 proportion is more than the 2010 proportion of neuroincasive West Nile virus cases, therefore we are trying to test the difference in proportions here and not the means. Therefore c) A test for two proportions is the correct answer here.

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