Question: 2:51 4 I ? C} G myopenmath.com myOpenMoih E Home > STT 2640 Online SPRING 2022 D TERM > Assessment Mastery Test #4 14 points

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8.1 Confidence Interval for Mean u with 0 Known (Z- table) You

2:51 4 I ? C} G myopenmath.com myOpenMoih E Home > STT 2640 Online SPRING 2022 D TERM > Assessment Mastery Test #4 14 points possible 0/14 answered (9 1hr59mins X Progress saved Submit and End VE' 0 Question 3 v 81 pt '0 1 G) Details 8.1 Confidence Interval for Mean u with 0 Known (Z- table) You measure 31 textbooks' weights, and find they have a mean weight of 43 ounces. Assume the population standard deviation is 3 ounces. Based on this, construct a 99% confidence interval for the true population mean textbook weight. Give your answers as decimals, to two places > Next Question 2:514 .I "5' [3' G myopenmath.com WIESIHZI- 14 points possible 0/14 answered (9 1hr59mins X Progress saved Submit and End 15' 0 Question 5 v 541 pt '0 1 6) Details 8.1 Percent Chance and Probability Complete the table by converting percent chances to probability or vice versa. Percent Chance | Probability 14.6% I 0.146 > Next Question 2:51 4 I ? C} G myopenmath.com Home > STT 2640 Online SPRING 2022 D TERM > Assessment Mastery Test #4 14 points possible 0/14 answered (9 1hr59mins X Progress saved Submit and End 15' 0 Question 4 v 81 pt '0 1 (D Details 8.3 Confidence Intervals for Proportion (Z-table) If n = 220 and 13 = 0.16, construct a 95% confidence interval. Give your answers to three decimals D

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