Answered: An advertisement firm is making a new…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 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?

(15,00 Puanlar)
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
3 -
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) O
Hypothesis: H_0: p_A=p_B; H_1: p_A <p_B; Result: Fail to reject H_0
b) O
Hypothesis: H_0: M_A=M_B; H_1: M_A < M_B ; Result: Fail to reject H_0
c) O
Hypothesis: H_0: p_A=p_B; H_1: p_A > p_B; Result: Fail to reject H_0
d) O
Нурothesis: H_0: р. А-р_В; H_1: рA<p_ B; Result: Reject H_O
e) O
Hypothesis: H_0: p_A=p_B; H_1: p_A + p_B; Result: Reject H_0
O Boş bırak

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