Question

A hospital director is told that 79% of the emergency room visitors are insured. The director...

A hospital director is told that 79% of the emergency room visitors are insured. The director wants to test the claim that the percentage of insured patients is not the expected percentage. A sample of 360 patients found that 270 were insured. At the 0.01 level, is there enough evidence to support the director's claim?

Step 5 of 7 :  

Identify the value of the level of significance.

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Solution-

Step 1)

H0: p= 0.79

Ha: p≠0.79

Step 2) test statistic

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