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14 September, 17:27

A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.03 with 99 % confidence if

(a) she uses a previous estimate of 0.36 ?

(b) she does not use any prior estimates?

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Answers (1)
  1. 14 September, 17:52
    0
    This answer must be A because she has to take an estimate previously so that she can estimate the new estimate. So my answer is (A)
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Home » SAT » A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.03 with 99 % confidence if (a) she uses a previous estimate of 0.
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