Test the appropriate hypotheses usingnbspnbsp 05 you may

Reference no: EM13620702

Some commercial airplanes recirculate approximately 50% of the cabin air in order to increase fuel efficiency. The researchers studied 1100 airline passengers, among which some traveled on airplanes that recirculated air and others traveled on planes that did not recirculate air. Of the 517 passengers who flew on planes that did not recirculate air, 108 reported post-flight respiratory symptoms, while 111 of the 583 passengers on planes that did recirculate air reported such symptoms. Is there sufficient evidence to conclude that the proportion of passengers with post-flight respiratory symptoms differs for planes that do and do not recirculate air? Test the appropriate hypotheses using ? = .05. You may assume that it is reasonable to regard these two samples as being independently selected and as representative of the two populations of interest. (Use a statistical computer package to calculate P.)

z	=		(Round the answer to two decimal places.)
P	=		(Round the answer to three decimal places.)

Reference no: EM13620702

Questions Cloud

Messman manufacturing will issue common stock to the public : messman manufacturing will issue common stock to the public for 35. the expected dividend and growth in dividends are

Is ultrasound a reliable method for determining the gender : is ultrasound a reliable method for determining the gender of an unborn baby? there is accompanying data on 1000 births

Express your answer with the appropriate units whats the : a bomb explodes into three identical pieces. one flies in the y-direction at 10.6 a second in the -x-direction at 13.4

Cculate the next expected dividend per share d1 hint d0 : radon homess current eps is 7.87. it was 4.33 5 years ago. the company pays out 40 of its earnings as dividends and the

Test the appropriate hypotheses usingnbspnbsp 05 you may : some commercial airplanes recirculate approximately 50 of the cabin air in order to increase fuel efficiency. the

Oe possibility would be r phi and alpha where r and phi : a thin rod of length 2b and mass m is suspended by its two ends with two identical vertical springs force constant k

Has the percentage of registered nurses earning more : has the percentage of registered nurses earning more advanced academic degrees changed? in 1980 55 of registered nurses

Conduct the hypothesis test and provide the test statistic : conduct the hypothesis test and provide the test statistic critical value and p-value and state the conclusion. a

What is the maximum range that this vehicle can have : some engineers have suggested that air compressed into tanks can be used to propel personal transportation vehicles.

User Account

All Pages