Number 2
Gradebook X Question 2 - Wk 3 - X C Problem 8.46A Rand X (1013) How to use E X + V X -> C ezto.mheducation.com/ext/map/index.html?_con=con&external_browse... @ . . . Wk 3 - Practice: Wk 3 Exercise [due Day 5] i Saved Help Save & Exit Submit Check my work 2 A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were 2 3. 087 3. 131 3. 241 3. 241 3.270 3.353 3.400 3.411 3.437 3.477 points here for Skipped (a) Construct a 90% confidence interval for the true mean weight. (Round your answers to 4 decimal places.) The 90% confidence interval is from to eBook (b) What sample size would be necessary to estimate the true weight with an error of + 0.03 gram with 90% confidence? (Enter your answer as a whole number (no decimals). Use a z-value taken to 3 decimal places in your calculations.) References The correct size for a sample with 90% confidence is Graw Type here to search 87 0 F ~ 0 0 4 ( 41) 8:53 PM 7/20/2021AutoSave On Tootsie - Saved O Search Valerie Moore X File Home Insert Draw Page Layout Formulas Data Review View Help Share Comments Insert Aria 10 A" A ab General AY O PX Delete V V Paste Cell Sort & Find & Analyze BIU DAY $ ~ % 9 508 20 Conditional Format as Formatting Table Styles v Format DV Filter Select Data Clipboard Font Alignment Number Styles Cells Editing Analysis A14 X V fx A B C D E F G H J K L M N O P Q R Weights of 10 Mini-Tootsie Rolls A W N - Grams 3.087 LearningStats 3.131 Copyright @ 2019 3.241 by 3.241 The McGraw-Hill Companies 3.270 3.353 This spreadsheet is intended solely 10 3.400 for educational purposes by licensed users of Connect 11 3.411 12 3.437 13 3.477 14 15 16 Source: Project by Henry Scussel, MBA student. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Data Extra Sheet + : 1 + Edit 860F ~ 0 0 4 ( 41) 9:02 PM Type here to search X 7/20/2021