9% of all Americans suffer from sleep apnea. Aresearcher suspects that a lower percentage of those who live in the inner city have sleep apnea. Of the 378 people from the inner city surveyed, 23 of them suffered from sleep apnea. What can be concluded at the level of significance of a = 0.05? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: Select an answer V (please enter a decimal) Select an answer | (Please enter a decimal) c. The test statistic (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ?v a f. Based on this, we should Select an answer g. Thus, the final conclusion is that ... ) the null hypothesis. O The data suggest the population proportion is not significantly smaller than 9% at a = 0.05, so there is not sufficient evidence to conclude that the population proportion of inner city residents who have sleep apnea is smaller than 9%. O The data suggest the populaton proportion is significantly smaller than 9% at a = 0.05, so thore ir cufficiont cuéd oncs to. concluds that the ponuls cortion of innor city roridents
9% of all Americans suffer from sleep apnea. Aresearcher suspects that a lower percentage of those who live in the inner city have sleep apnea. Of the 378 people from the inner city surveyed, 23 of them suffered from sleep apnea. What can be concluded at the level of significance of a = 0.05? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: Select an answer V (please enter a decimal) Select an answer | (Please enter a decimal) c. The test statistic (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ?v a f. Based on this, we should Select an answer g. Thus, the final conclusion is that ... ) the null hypothesis. O The data suggest the population proportion is not significantly smaller than 9% at a = 0.05, so there is not sufficient evidence to conclude that the population proportion of inner city residents who have sleep apnea is smaller than 9%. O The data suggest the populaton proportion is significantly smaller than 9% at a = 0.05, so thore ir cufficiont cuéd oncs to. concluds that the ponuls cortion of innor city roridents
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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please answer questions a, b , c
a. t-test for population or z-test for a population proportion
b. H 0
p or μ <, >, =, ≠
H1
p or μ <, >, =, ≠
c. t or z
Transcribed Image Text:9% of all Americans suffer from sleep apnea. A researcher suspects that a lower percentage of those who
live in the inner city have sleep apnea. Of the 378 people from the inner city surveyed, 23 of them suffered
from sleep apnea. What can be concluded at the level of significance of a = 0.05?
a. For this study, we should use Select an answer
b. The null and alternative hypotheses would be:
Ho: ?V Select an answer
(please enter a decimal)
H,: ?
Select an answer
(Please enter a decimal)
c. The test statistic
(please show your answer to 3 decimal places.)
d. The p-value =
e. The p-value is ?Va
f. Based on this, we should Select an answer
g. Thus, the final conclusion is that ...
O The data suggest the population proportion is not significantly smaller than 9% at a = 0.05, so
(Please show your answer to 4 decimal places.)
the null hypothesis.
there is not sufficient evidence to conclude that the population proportion of inner city
residents who have sleep apnea is smaller than 9%.
O The data suggest the populaton proportion is significantly smaller than 9% at a = 0.05, so
there is sufficient evidence to conclude that the population proportion of inner city residents
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