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Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021 Exercise 6
Medical: Blood Type A random sample of medical files is used to estimate the proportion p of all people who have blood type B.
(a) If you have no preliminary estimate for p, how many medical files should you include in a random sample in order to be 85% sure that the point estimate
will be within a distance of 0.05 from p
(b) Answer part (a) if you use the preliminary estimate that about 8 out of 90 people have blood type B (Reference: Manual of Laboratory and Diagnostic Tests by F. Fischbach).
(a) If you have no preliminary estimate for p, how many medical files should you include in a random sample in order to be 85% sure that the point estimate
will be within a distance of 0.05 from p (b) Answer part (a) if you use the preliminary estimate that about 8 out of 90 people have blood type B (Reference: Manual of Laboratory and Diagnostic Tests by F. Fischbach).
Explanation
Verified
Verified
(a)
In this case,
=1.44 and the marg...
Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
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