(b) Answer part (a) if you use the preliminary estimate that about 10 out of 90 people have blood type B. 18.4

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How do I figure out b?

atLLiuimbnoW
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cistics: Assignment #8 Estim x
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random sample of medical files is used to estimate the proportionp 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 p will be within a
distance of 0.056 from p?
166
(b) Answer part (a) if you use the preliminary estimate that about 10 out of 90 people have blood type B.
18.4
bmit Answer
Transcribed Image Text:atLLiuimbnoW Statdisk Online calculator Search cistics: Assignment #8 Estim x ... https://www.webassign.net/web/Student/Assignment-Responses/last?dep3D28291120#Q9 random sample of medical files is used to estimate the proportionp 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 p will be within a distance of 0.056 from p? 166 (b) Answer part (a) if you use the preliminary estimate that about 10 out of 90 people have blood type B. 18.4 bmit Answer
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