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What is the 90 confidence interval for the weight of house cats if a sample...

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What is the 90 confidence interval for the weight of house cats if a sample of one hundred house cats had an averag weight of eleven pounds and the population standard deviation is two pounds O 0 2 lb O 0 329 lb O 10 8 lb 11 2 lb Confidence Interval 80 10 671 lb 11 329 lb z value 90 85 1 282 1 440 1 645 1 960 95 95 4 99 99 5 99 7 99 9 2 2 576 2 807 3 3 291

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