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h A scrap metal dealer claims that the mean of his cash sales is 'no more than R80', but an Internal Revenue Service agent believes the dealer is untruthful. The agent randomly selects a sample of 20 cash customers and find the mean purchase to be R91, with a variance of R441. State the hypotheses: OA. Ho: μ = 80 Hy: H < 80 O B. Ho: <80 H₁: > 80 O C. Ho: μ = 80 H₁: > 80 O D. Ho: H = 80 H₁: p = 80 45 17°C 940 ENG $ % 5 O T II e y C 17 & 7 U f80/R * 8 19 HA flo O 0 P F12 /A prt sc backspace 16:18 2022/05/20

h A scrap metal dealer claims that the mean of his cash sales is 'no more than R80', but an Internal Revenue Service agent believes the dealer is untruthful. The agent randomly selects a sample of 20 cash customers and find the mean purchase to be R91, with a variance of R441. State the hypotheses: OA. Ho: μ = 80 Hy: H < 80 O B. Ho: <80 H₁: > 80 O C. Ho: μ = 80 H₁: > 80 O D. Ho: H = 80 H₁: p = 80 45 17°C 940 ENG $ % 5 O T II e y C 17 & 7 U f80/R * 8 19 HA flo O 0 P F12 /A prt sc backspace 16:18 2022/05/20

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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arch 3 13 A scrap metal dealer claims that the mean of his cash sales is 'no more than R80', but an Internal Revenue Service agent believes the dealer is untruthful. The agent randomly selects a sample of 20 cash customers and find the mean purchase to be R91, with a variance of R441. State the hypotheses: O A. Ho: p=80 H₁: < 80 OB. Ho: p < 80 H₁: μ> 80 OC. Ho: H = 80 H₁: p > 80 OD. Ho: H = 80 H₁: μ # 80 45 14 1 17°C O E A (4) ENG prt sc 33 f9 15 5 % T E T f6 f7 6 y & 7 U f8 8 9 f10 121 O 0 f11 P f12 IA + [ delete insert backspace 16:18 2022/05/20 + 576 16 7
Transcribed Image Text:arch 3 13 A scrap metal dealer claims that the mean of his cash sales is 'no more than R80', but an Internal Revenue Service agent believes the dealer is untruthful. The agent randomly selects a sample of 20 cash customers and find the mean purchase to be R91, with a variance of R441. State the hypotheses: O A. Ho: p=80 H₁: < 80 OB. Ho: p < 80 H₁: μ> 80 OC. Ho: H = 80 H₁: p > 80 OD. Ho: H = 80 H₁: μ # 80 45 14 1 17°C O E A (4) ENG prt sc 33 f9 15 5 % T E T f6 f7 6 y & 7 U f8 8 9 f10 121 O 0 f11 P f12 IA + [ delete insert backspace 16:18 2022/05/20 + 576 16 7
A scrap metal dealer claims that the mean of his cash sales is 'no more than R80', but an Internal Revenue Service(IRS) agent believes the dealer is untruthful. The agent randomly selects a sample of 20 cash customers and find the mean purchase to be R91, with a variance of R441. Test the IRS agent's claim at a 10% significance level. The rejection region (rounded off to three decimals) is: O A. {T|T> 0.050} OB. (TT>1.328} OC(ZIZ> 1.725) OD. (TIT>1.729} Reset Selection 45 JA 17°C @ 4) ENG prt sc backspace R F % f5 5 O E f6 T G A 6 Y H f7 & 7 D f80/ 8 K f10 2 O O fly P P f12 /A 1 16:17 2022/05/20 + enter 7 hord
Transcribed Image Text:A scrap metal dealer claims that the mean of his cash sales is 'no more than R80', but an Internal Revenue Service(IRS) agent believes the dealer is untruthful. The agent randomly selects a sample of 20 cash customers and find the mean purchase to be R91, with a variance of R441. Test the IRS agent's claim at a 10% significance level. The rejection region (rounded off to three decimals) is: O A. {T|T> 0.050} OB. (TT>1.328} OC(ZIZ> 1.725) OD. (TIT>1.729} Reset Selection 45 JA 17°C @ 4) ENG prt sc backspace R F % f5 5 O E f6 T G A 6 Y H f7 & 7 D f80/ 8 K f10 2 O O fly P P f12 /A 1 16:17 2022/05/20 + enter 7 hord
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