Quiz+_17 - MGT 2258 — Quiz#17 2 Sides Answers 1 Alpha is...

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Unformatted text preview: MGT 2258 —- Quiz #17 2 Sides Answers: 1) Alpha is called the level of 5] (mid / CQWCtrf: and is equal to 1 minus the C10 a‘UF/ DEAJLHE C0 at?! C7 gm" (2 wordsl). 2) A simple random sample of 50 items resulted in a sample mean of 45. Assume the population standard deviation to be 7. a) VVlmt is the point estimate of the mean? m: f «w b) What is the standard error of the mean? (3“ (F M r" ‘2‘ W—wv k X W» ’ 0) Provide a 90% confidence interval for the population mean. (Lil? :. 321' «f 201/7, 0 x (Av/wryL/E’DCI 3 (713/; /, d) Provide a 95% confidence interval for the population meairi= l . —~,v _ qgtf: C/FMJKCM/ 2» LA]: ACRL/ e) Provide a 99% confidence interval for the population mean. em” if 62, flew???) ‘3' V37: '31 “A 2250Quizl 5.docx p—A 3) A simple random sample ofSOl) individuals provided 300 “Yes” responses. 21) \Vl‘iat is the point estimate of the proportion of the population who would provide “Yes” responses? C) Provide a 90% confidence level for the population proportion. at: Vt; f: 20% 6}” «w 167 {illegal} 63927”) 2‘ é]? ’ 025’ d) Provide a 95% confidence interval for the population proportion. , (L; (in—7A7) all) t: / *7 (0%? in?” e) Provide a 99% confidence interval for the population proportion t é ’3': T75) C 0M) 2250Quizl 5.docx ...
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Quiz+_17 - MGT 2258 — Quiz#17 2 Sides Answers 1 Alpha is...

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