Question: A random sample of size 30 from a normal population yields x = 70 and s = 9. The lower bound of a 95 percent

A random sample of size 30 from a normal population yields

A random sample of size 30 from a normal population yields x = 70 and s = 9. The lower bound of a 95 percent confidence interval is (Round off upto 2 decimal places)

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