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? O0.2 lb 0.329 lb Confidence Interval (%) 80 z-value 90 85 1.282 1.440 1.645 1.960 99 95 95.4 99.5 99.7 99.9 2.576 2.807 2 3.291 3 O[10.8 lb, 11.2 lb] 10.671 lb, 11.329 lb]