A certified public accountant claims that more than 30% of all accountants advertise. A sample of 400 accountants in Rizal province shows that 112 had used some form of advertising. At a ? = 0.01, is there enough evidence to support the claim? (Use p-value method). Solution: Step 1: State the hypothesis. ?0: _____________________________________________________________ ?1: _____________________________________________________________ Step 2: Compute for the value of one sample t test. ????????? = _______ Step 3: Compute for the p – value. ________________________________________________________________ ___________________________________. Step 4: Decision rule: ________________________________________________________________ ______________________________________________________________________ ______________________________. Step 5: Conclusion. ____________________________
A certified public accountant claims that more than 30% of all accountants advertise. A sample of 400 accountants in Rizal province shows that 112 had used some form of advertising. At a ? = 0.01, is there enough evidence to support the claim? (Use p-value method).
Solution:
Step 1: State the hypothesis.
?0: _____________________________________________________________
?1: _____________________________________________________________
Step 2: Compute for the value of one sample t test. ????????? = _______
Step 3: Compute for the p – value.
________________________________________________________________
___________________________________.
Step 4: Decision rule:
________________________________________________________________
______________________________________________________________________
______________________________.
Step 5: Conclusion.
________________________________________________________________
________________________________________
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