n order to track the percentage of misdiagnoses by Emergency Room doctors, a sample of 1000 patients revealed that 80 patients were misdiagnosed with indigestion instead of a heart attack. Test the claim that physicians misdiagnose less than 6% of heart attacks. Use a 0.01 significance level.

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Do the following:

1. Identify the null and alternative hypotheses.
2. Calculate the test statistic.
3. What is the level of significance?
4. What is the p value
5. State a conclusion about the null hypothesis.
6. Does the evidence support the claim that physicians misdiagnose less than 6% of heart attacks?

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