emissions compliance. Does this program work? Of 126 randomly selected reports on emissions, 95 cars pass on the first try. (Test at the 5% level.) (A) Yes (B) No

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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8. Pennsylvania Department of Motor Vehicle (DMV) records indicate that of all vehicles
undergoing emissions testing during 2009, 70% passed on the first try. Late in 2009 the
state implemented a program designed to encourage preventative service to improve
emissions compliance. Does this program work? Of 126 randomly selected reports on
emissions, 95 cars pass on the first try. (Test at the 5% level.)
(A) Yes
(B) No
Transcribed Image Text:8. Pennsylvania Department of Motor Vehicle (DMV) records indicate that of all vehicles undergoing emissions testing during 2009, 70% passed on the first try. Late in 2009 the state implemented a program designed to encourage preventative service to improve emissions compliance. Does this program work? Of 126 randomly selected reports on emissions, 95 cars pass on the first try. (Test at the 5% level.) (A) Yes (B) No
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