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Duke s Brand Dog Treats claim to contain 186 treats in each of its jumbo...

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Duke s Brand Dog Treats claim to contain 186 treats in each of its jumbo packages of treats The standard deviation for the number of treats in each package is 20 you can think of this claim as representing the whole population of jumbo packages dog treats You decide to test this because you and your dog think the jumbo packages of treats contain fewer treats than the Duke brand claims You count the number of treats in a sample of 16 jumbo packages and find that their average is 82 treats per package Calculate the one sample z test to test this claim about whether your sample of dog treats reflects the population what the company claims Put your value below and round your answer to 2 decimal places

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