A random sample of size 15 is taken from a population assumed to be normal,and ![A random sample of size 15 is taken from a population assumed to be normal,and = 1.2 and the sample variance is .36.Calculate a 99 percent confidence interval for μ. A) [.923,1.477] B) [.794,1.607] C) [.801,1.600] D) [.739,1.661]](https://d2lvgg3v3hfg70.cloudfront.net/TB1736/11eb06d7_55ee_559c_8177_4bca3478c62f_TB1736_11.jpg)
= 1.2 and the sample variance is .36.Calculate a 99 percent confidence interval for μ.
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