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.