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3. For each of the following scenarios, state whether the null hypothesis should be rejected or not. State any assumptions that you make beyond the

3. For each of the following scenarios, state whether the null hypothesis should be rejected or not. State any assumptions that you make beyond the information that is given. (a) H_{0}; mu=6,H a : mu ne6.n=25.; overline x =5.6.; s=2.5.a=0.05 (b) H_{0}; mu=6, mu<6,; n = 25; overline x =5.6.; s = 2.5; alpha = 0.05 () Ho mu=25,H ai mu>25,n=81. overline x =26.4; s = 3.2 , a = 0.01 (d) H_{0}; mu = 50 , H alpha :; mu ne50,n=55. p-value =0.053

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