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Doctors nationally believe that 68% of a certain type of operation are successful. In a particular hospital 47 of these operations were observed and 37 of them were successful. At a = 0.05 is this hospital's success rate different from the national average?

no, because the test value 0.93 is in the noncritical region.

yes, because teh tset value 0.93 is in the critical region.

no, because the test value 1.58 is in the noncritical value.

yes, because the test value 1.58 is in the noncritical region.

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