The work has not been graded but I like the output that was submitted to me. Is it possible for the same prof to do the next assignment I will be submitting? If possible, I will greatly appreciate it.
The length of needles produced by a machine has standard deviation of 0.03 inches. Assuming that the
distribution is normal, how large a sample is needed to determine with a precision of ±0.006 inches the
mean length of the produced needles to 99% confidence?
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