Doctors Nationally Believe That 72% of a Certain Type of Operation

question 50

Multiple Choice

Doctors nationally believe that 72% of a certain type of operation are successful. In a certain hospital, 53 of these operations were observed, and 63% of them were successful. If , is this hospital's success
Rate different from the national average?

• A) No, because the test value -0.86 is in the noncritical region.
• B) Yes, because the test value -0.86 is in the critical region.
• C) No, because the test value -1.46 is in the noncritical region.
• D) Yes, because the test value -1.46 is in the noncritical region.

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Definitions:

Consumer Incomes

refers to the total earnings received by consumers, including wages, salaries, benefits, and other income sources, which influence their spending habits and demand for goods and services.

Demand Shift

A change in the quantity demanded at every price due to factors such as consumer preference, income levels, or prices of related goods.

Equilibrium Price

The market price at which the quantity of goods supplied is equal to the quantity of goods demanded, also known as the market-clearing price.

Profit

The financial gain obtained when the amount earned from business activities exceeds the expenses, costs, and taxes needed to sustain the activity.