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8 - An advertisement firm is making a new marketing strategy and selling rates are being considered. Samples of selling rates are taken from both the existing strategy (A) and the new strategy (B) to determine if the new marketing strategy results in an improvement. If 800 of 3200 items were being sold with the existing strategy, and 365 of 1400 items are being sold with the new one. We want to test that whether the new strategy is superior to the existing one. According to the hypothesis testing, what is the correct hypothesis along with its result at 90% confidence level? a) Hypothesis: H_0: p_A=p_B; H_1: p_A>p_B: Result: Fail to reject H_0 b) Hypothesis: H_0: p_A=p_B: H_1: p_A

8 - An advertisement firm is making a new marketing strategy and selling rates are being considered. Samples of selling rates are taken from both the existing strategy (A) and the new strategy (B) to determine if the new marketing strategy results in an improvement. If 800 of 3200 items were being sold with the existing strategy, and 365 of 1400 items are being sold with the new one. We want to test that whether the new strategy is superior to the existing one. According to the hypothesis testing, what is the correct hypothesis along with its result at 90% confidence level? a) Hypothesis: H_0: p_A=p_B; H_1: p_A>p_B: Result: Fail to reject H_0 b) Hypothesis: H_0: p_A=p_B: H_1: p_A

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
Section10.6: Summarizing Categorical Data
Problem 27PPS
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An advertisement firm is making a new marketing strategy and selling rates are being considered. Samples of selling rates are taken from both the existing strategy (A) and the new strategy (B) to determine if the new marketing 8 - strategy results in an improvement. If 800 of 3200 items were being sold with the existing strategy, and 365 of 1400 items are being sold with the new one. We want to test that whether the new strategy is superior to the existing one. According to the hypothesis testing, what is the correct hypothesis along with its result at 90% confidence level? a) Hypothesis: H_0: p_A=p_B: H_1: p_A> p_B: Result: Fail to reject H_0 b) Hypothesis: H_0: p_A=p_B: H_1: p_A< p_B; Result: Reject H_0 c) Hypothesis: H_0: p_A=p_B: H_1: p_A<p_B: Result: Fail to reject H_0 d) Hypothesis: H_0: M_A=M_B: H_1: M_A< M_B: Result: Fail to reject H_0 e) Hypothesis: H_O: p_A=p_B: H_1: p_A p_B: Result: Reject H_O blank
Transcribed Image Text:An advertisement firm is making a new marketing strategy and selling rates are being considered. Samples of selling rates are taken from both the existing strategy (A) and the new strategy (B) to determine if the new marketing 8 - strategy results in an improvement. If 800 of 3200 items were being sold with the existing strategy, and 365 of 1400 items are being sold with the new one. We want to test that whether the new strategy is superior to the existing one. According to the hypothesis testing, what is the correct hypothesis along with its result at 90% confidence level? a) Hypothesis: H_0: p_A=p_B: H_1: p_A> p_B: Result: Fail to reject H_0 b) Hypothesis: H_0: p_A=p_B: H_1: p_A< p_B; Result: Reject H_0 c) Hypothesis: H_0: p_A=p_B: H_1: p_A<p_B: Result: Fail to reject H_0 d) Hypothesis: H_0: M_A=M_B: H_1: M_A< M_B: Result: Fail to reject H_0 e) Hypothesis: H_O: p_A=p_B: H_1: p_A p_B: Result: Reject H_O blank
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