At = .10,testing the hypothesis that the proportion of Consumer (CON)industry companies winter quarter profit growth is more than 2% greater than the proportion of Banking (BKG)companies winter quarter profit growth,given that _CON= .20, _BKG= .14,n_CON = 300,n_BKG = 400,calculate the estimated standard deviation for the model. A)0.0008 B)0.0289 C)0.0200 D)0.0106

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1.384 > 1.28,reject H₀

At = 10,testing the Hypothesis That the Proportion of Consumer (CON)industry Companies