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QuestionStatistics
How do you find the p-value from a z-score on a TI- 84 Plus calculator?
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Step 1I'll provide a step-by-step guide to finding the p-value from a z-score using a TI- 84 Plus calculator:
Step 2: Access the Appropriate Distribution Menu
- Select option 3: $$normalcdf(
- Press the [2nd] button - Press [DISTR] (above the [TRACE] key)
Final Answer
Pro Tips: - Always check whether your test is one-tailed or two-tailed - Verify the direction of the test (left-tailed, right-tailed, or two-tailed) - Round p-values to three decimal places - Compare the p-value to your significance level (\alpha) to make a statistical decision
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