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What device is used to listen to the heart? 

What medication is given to the patient in pre-op to help reduce anxiety and relax them before surgery? 

Which of the following is considered a high allergic reaction?  

What device is placed through the patient’s vocal cords into the trachea? 

What phase does the patient return to optimum level of consciousness and well being? 

In hypothesis testing analysis, a type I error occurs only if

You have a sample of 35 observations (n=35) and have computed a 2-sided 95% confidence interval on mu when sigma is known to be 4.  Your boss says the interval is too wide.  What can you do to narrow the interval?

According to the Government Accounting Office (GAO), 80% of all college students in 2024 had health insurance. A survey of 800 students at the University of Arizona indicated that 83% of them had health insurance. You setup a hypothesis test to determine if the students at the University of Arizona are insured at the same proportion as all other college students. At the α = 0.05 level and based on this data, what is your conclusion? (Show your work on the scratch paper for full credit)

According to the Government Accounting Office (GAO), 80% of all college students in 2024 had health insurance. A survey of 800 students at the University of Arizona indicated that 83% of them had health insurance. In conducting a hypothesis test, what is our parameter of interest?

A manufacturer of sprinklers for fire protection in buildings claims that the true average system activation temperature is 130 degrees F. Given that the population is normal, you test 9 sprinklers. Your sample has an average temperature for activation of 131.08 degrees with an  degrees. At a significance of α = 0.01, what is your conclusion about the test that the actual average is 130 degrees?