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Test the claim that the mean GPA of night students is significantly different than 2.3 at the 0.2 significance level. The null and alternative hypothesis would be: Ho: p = 0.575 Ho:p 2.3 Ho:p = 2.3 Ho:p > 0.575 H1 :p + 0.575 H, :p > 0.575 H, :p > 2.3 H, :p