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Mathematics, 21.08.2019 20:10 jjgccc

Test the claim about the population​ mean, mu​, at the given level of significance using the given sample statistics. ​claim: muequals30​; alphaequals0.07​; sigmaequals3.78. sample​ statistics: x overbarequals28.4​, nequals68 identify the null and alternative hypotheses. choose the correct answer below. a. upper h 0​: muequals30 upper h subscript a​: muless than30 b. upper h 0​: muless than30 upper h subscript a​: muequals30 c. upper h 0​: munot equals30 upper h subscript a​: muequals30 d. upper h 0​: mugreater than30 upper h subscript a​: muequals30 e. upper h 0​: muequals30 upper h subscript a​: munot equals30 f. upper h 0​: muequals30 upper h subscript a​: mugreater than30 calculate the standardized test statistic. the standardized test statistic is negative 3.49.

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Test the claim about the population​ mean, mu​, at the given level of significance using the given s...
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