For the next questions, test the given claim using the P-value method for
hypothesis testing about a proportion. Assume a simple random sample has been
taken, the conditions for a binomial distribution are satisfied, and the sample
proportions can be approximated by a normal distribution.
In order to track the percentage of misdiagnoses by Emergency Room doctors, a sample
of 900 patients revealed that 45 patients were misdiagnosed with indigestion instead of
a heart attack. Test the claim that physicians misdiagnose less than 6% of heart attacks.
Use a .01 significance level.
-Identify the P-value and level of significance.
Correct Answer:
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Q1: For the next questions, test the given
Q2: Identify the Type I error.
-The standard deviation
Q2: Use the following sample data to answer
Q2: Use the following sample data to answer
Q3: Find the critical value z assuming application
Q4: For the next questions, test the given
Q5: Determine which is the appropriate approach to
Q9: For the next questions, find the P-value
Q17: In a certain region, a researcher found
Q17: In a certain region, a researcher found
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