Estimate the proportion of engineers and scientists

Reference no: EM131833164

If you wish to estimate the proportion of engineers and scientists who have studied probability theory and you wish your estimate to be correct, within 2 %, with probability 0.95 or better, how large a sample should you take (i) if you feel confident that the true proportion is less than 0.2, (ii) if you have no idea what the true proportion is.

Reference no: EM131833164

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