7. Find the p-value for the following scenarios: a) right-tailed z-test with z=2.3 b) two-tailed z-test with z=2.3 c) left-tailed t-test with t=-2.3 and 16 degrees of freedom d) x test with X² =17.4 with 6 degrees of freedom

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7.
Find the p-value for the following scenarios:
a)
right-tailed z-test with z=2.3
(12)
b)
two-tailed z-test with z=2.3
c)
left-tailed t-test with r=-2.3 and 16 degrees of freedom
d)
x* test with X =17.4 with 6 degrees of freedom
517 passengers that flew on planes that did not recirculate air, 98 reported post-flight respiratory
symptoms. Out of 583 that flew on planes that did recirculate air, 141 reported post-flight
respiratory symptoms. Is there sufficient evidence to support the claim that more passengers
had respiratory symptoms that flew with recirculated air?
3.
Some airlines recirculate up to 50% of their cabin air in order to increase fuel efficiency. Out of
(8)
Transcribed Image Text:7. Find the p-value for the following scenarios: a) right-tailed z-test with z=2.3 (12) b) two-tailed z-test with z=2.3 c) left-tailed t-test with r=-2.3 and 16 degrees of freedom d) x* test with X =17.4 with 6 degrees of freedom 517 passengers that flew on planes that did not recirculate air, 98 reported post-flight respiratory symptoms. Out of 583 that flew on planes that did recirculate air, 141 reported post-flight respiratory symptoms. Is there sufficient evidence to support the claim that more passengers had respiratory symptoms that flew with recirculated air? 3. Some airlines recirculate up to 50% of their cabin air in order to increase fuel efficiency. Out of (8)
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