Assume that the sample is a simple random sample obtained from a normally distributed population...
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Assume that the sample is a simple random sample obtained from a normally distributed population of weights of the aspirin in Bayer tablets Use the table below to find the minimum sample size needed to be 95 confident that the sample standard deviation s is within 30 of o Is this sample size practical 0 To be 95 confident that s is within of the value of o the sample size n should be at least To be 99 confident that s is within of the value of o the sample size n should be at least 1 5 10 20 30 40 50 19 205 768 1 5 10 20 30 40 50 S 192 48 21 12 33 218 1 336 336 85 38 22 8 14
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