a) An environmental conservation agency recently claimed that more than 30% of Canadian consumers have stopped buying...

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a) An environmental conservation agencyrecently claimed that more than 30% of Canadian consumers havestopped buying a certain product because the manufacturing of theproduct pollutes the environment. You want to test this claim. Todo so, you randomly select 980 Canadian consumers and find that 314have stopped buying this product because of pollution concerns. Ata = 0.05, can you support the agency’s claim?
please round your p-hat to 4 decimals before substituting inthe z-statistic formula
b) Refer to question (b). Construct aconfidence interval for the true proportion of Canadian consumerswho have stopped buying the product at the following levels ofconfidence: i). 90% ii). 95%

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3.8 Ratings (677 Votes)

Here let the X be the random variable denoting the number ofpeople who have stopped buying the product because of pollutionconcernsThe estimated proportion is X3149800320The standard See Answer

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