Question

n = 118, X = 45, p' = 0.3814. How many additional students must you sample for the error bound to be half its size? Do this for c = 0.95. Keep t-score or z-score the same as part d. Show all steps.

Name: n 118 x 45 p 03814 how many additional students must you sample for the error bound to be half its size do this for c 095 keep t score or z score the same as part d show all steps 36926
Uploaded: 2023-07-08T02:44:00-08:00
Duration: 1 min 28 s
Channel: Ivan Kochetkov
Description: n 118 x 45 p 03814 how many additional students must you sample for the error bound to be half its size do this for c 095 keep t score or z score the same as part d show all steps 36926

          n = 118, X = 45, p' = 0.3814. How many additional students must you sample for the error bound to be half its size? Do this for c = 0.95. Keep t-score or z-score the same as part d. Show all steps.

Added by Michael J.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ivan Kochetkov

07/08/2023

Step 1

3814, and c = 0.95, we can use a Z-score of 1.96 for a 95% confidence level. Margin of Error = 1.96 * sqrt((0.3814*(1-0.3814)) / 118) Margin of Error ≈ 0.079 Show more…

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n = 118, X = 45, p' = 0.3814. How many additional students must you sample for the error bound to be half its size? Do this for c = 0.95. Keep t-score or z-score the same as part d. Show all steps.