Use a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: u28200; a = 0.01 Sample statistics: x= 7900, s=420, n= 22 What are the null and altemative hypotheses? O A. Ho: usS 8200 H:u> 8200 O B. Ho: u28200 Hu<8200 OC. Ho: u#8200 Hu= 8200 O D. Ho: H= 8200 H, u#8200

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