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 0.04 with 95% confidence if a) she uses a previous estimate of 0.42? b) she does not use any prior estimates? ... a) n = (Round up to the nearest integer.) b) n = (Round up to the nearest integer)

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 0.04 with 95% confidence if a) she uses a previous estimate of 0.42? b) she does not use any prior estimates? ... a) n = (Round up to the nearest integer.) b) n = (Round up to the nearest integer)

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter5: Similar Triangles

Section5.4: The Pythagorean Theorem

Problem 4E: Use theorem 5.4.3 to form a proportion in which TS is a geometric mean. Hint: TVSTSR Exercises 1-6

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