Test the claim about the population mean µ at the level of significance a. Assume the population is normally distributed. Claim: µ 13; a= 0.05; o = 2.7 Sample statistics: x = 12.1, n= 35 ..... O A. Fail to reject Ho. There is not enough evidence at the 5% level of significance to support the claim. O B. Reject Ho. There is enough evidence at the 5% level of significance to support the claim. O C. There is not enough information to decide.