Question Help ▼ A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus due to acid reflux. The manufacturer of the drug claims that more than 89% of patients taking the drug are healed within 8 weeks. In clinical trials, 217 of 239 patients suffering from acid reflux disease were healed after 8 weeks. Test the manufacturer's claim at the a = 0.01 level of significance. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (Round to one decimal place as needed.) What are the null and alternative hypotheses? = 0.89 versus H: p Ho: p (Type integers or decimals. Do not round.) 0.89 Determine the test statistic, zo Zo = 0.89 (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. Za O B. ±Za/2 = +

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Question Help ▼
A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus due to acid reflux. The manufacturer of the drug claims that more than 89% of patients taking the drug are
healed within 8 weeks. In clinical trials, 217 of 239 patients suffering from acid reflux disease were healed after 8 weeks. Test the manufacturer's claim at the a= 0.01 level of significance.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
(Round to one decimal place as needed.)
What are the null and alternative hypotheses?
Ho: p
0.89 versus H1: p
%3D
<>
0.89
(Type integers or decimals. Do not round.)
Determine the test statistic, Zo-
Z0 = 0.89 (Round to two decimal places as needed.)
Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed.)
O A. Za =
%3D
O B. ±Za/2 = ±
Click to select and enter your answer(s) and then click Check Answer.
?
1
1 part
remaining
Clear All
Check Answer
APR
23
W
esc
吕口 F3
888
F4
60
F1
F2
F5
F6
F7
F8
F9
F10
F12
F11
23
&
2
5
7
Q
E
T.
Y
A
G
K
V
B
N4
M.
*00
F.
Transcribed Image Text:Question Help ▼ A certain drug can be used to reduce the acid produced by the body and heal damage to the esophagus due to acid reflux. The manufacturer of the drug claims that more than 89% of patients taking the drug are healed within 8 weeks. In clinical trials, 217 of 239 patients suffering from acid reflux disease were healed after 8 weeks. Test the manufacturer's claim at the a= 0.01 level of significance. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (Round to one decimal place as needed.) What are the null and alternative hypotheses? Ho: p 0.89 versus H1: p %3D <> 0.89 (Type integers or decimals. Do not round.) Determine the test statistic, Zo- Z0 = 0.89 (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. Za = %3D O B. ±Za/2 = ± Click to select and enter your answer(s) and then click Check Answer. ? 1 1 part remaining Clear All Check Answer APR 23 W esc 吕口 F3 888 F4 60 F1 F2 F5 F6 F7 F8 F9 F10 F12 F11 23 & 2 5 7 Q E T. Y A G K V B N4 M. *00 F.
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