In an experiment analogous to that in Figure 27-3, the sampling constant is found to be Ks
Question:
(a) What mass of sample is required for a ± 2% sampling standard deviation?
(b) How many samples of the size in part (a) are required to produce 90% confidence that the mean is known to within 1.5%?
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a mR 2 Ks For R 2 and K s 20 g we find m 50 g b Use Equation 277 with s s ...View the full answer
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