A publisher reports that 28% 28% of their readers own a personal computer. A marketing executive wants
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Question:
A publisher reports that 28%
28% of their readers own a personal computer. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 300
300 found that 23%
23% of the readers owned a personal computer. Is there sufficient evidence at the 0.10
0.10 level to support the executive's claim?
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