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A publisher reports that 74% 74% of their readers own a particular make of car. A...

A publisher reports that 74% 74% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 120 120 found that 65% 65% of the readers owned a particular make of car. Is there sufficient evidence at the 0.01 0.01 level to support the executive's claim? Step 1 of 7 : State the null and alternative hypotheses.

Ho

Ha

2. T statistic

3. The hypothesis will fail when?

4. One tail or two tail

5. Conclusion - sufficient ot not?

Math   Statistics-And-Probability   
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