Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: us 1200; a=0.08; o= 207.88. Sample statistics: x= 1227.81, n 275 .... Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: us1227.81 Hap> 1227.81 B. Ho: us 1200 H u> 1200 OC. Ho H>1200 Hus 1200 O D. Ho u> 1227.81 H HS 1227.81 O E. Ho: H2 1200 Ho u2 1227 81 H p< 1227.81 HaH< 1200 Calculate the standardized test statistic. The standardized test statistic is (Round to two decimal places as needed.)

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