QUESTION 2 A computer manufacturer believes that the proportion of hardware malfunctions is different in humid climates than in dry climates. To test this claim, the manufacturer takes a random sample of 400 machines sold in Florida (humid) and 400 machines sold in Arizona (dry). The manufacturer finds that 44 of the machines in Florida and 24 of the machines in Arizona had hardware malfunctions. a. Does the evidence support the computer manufacturer's claim at the 10% significance level?

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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
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QUESTION 2
A computer manufacturer believes that the proportion of hardware malfunctions is different
in humid climates than in dry climates. To test this claim, the manufacturer takes a random
sample of 400 machines sold in Florida (humid) and 400 machines sold in Arizona (dry). The
manufacturer finds that 44 of the machines in Florida and 24 of the machines in Arizona had
hardware malfunctions.
a. Does the evidence support the computer manufacturer's claim at the 10% significance
level?
Transcribed Image Text:QUESTION 2 A computer manufacturer believes that the proportion of hardware malfunctions is different in humid climates than in dry climates. To test this claim, the manufacturer takes a random sample of 400 machines sold in Florida (humid) and 400 machines sold in Arizona (dry). The manufacturer finds that 44 of the machines in Florida and 24 of the machines in Arizona had hardware malfunctions. a. Does the evidence support the computer manufacturer's claim at the 10% significance level?
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