Question

R x 7.3.5-1 Question Help He givi Tscript Use the given information to find the number of degrees of freedom the critical values X sume 1 and X, and the confidence interval solutio estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution Nicotine in menthol cigarettes B0% confidence; n = 29.5 0.28 mg. the giv Click the icon to view the table of Chi-Square critical values erscript sume 1 mira d 28 (Type a whole number e solutio x? - 18.939 (Round to three decimal places as needed.) e the giv - 37.916 (Round to three decimal places as needed perscript assume 1 The confidence interval estimate of is mg<sc mg (Round to two decimal places as needed.) ee solutio Ise the give Superscript

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Answer 1

Solution s = 0.28 5 = 0.0784 n = 29 c = 80% = 0,80 % confidence intrenal for a = 1-C -|-0.80 = 0.2 dif. = n-1 = 29-1 = 28 a dif. = 0.1,28 - 37.92 a dif. =0.9, 28 - 18.94 At 80% confidence interval for s محرم ماه 18, off. 2o Vino, dopo 1. (29-1) (0.0784) 37.92 (29-10 (0.0784) 18.94 0.24 6 < 0,34 The confidence interval estimate of or is 0.24 mg <r< [0.34 mg