SCENARIO 12-4 A Computer Used by a 24-Hour Banking Service Is Supposed

question 148

Multiple Choice

SCENARIO 12-4
A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of 5 memory locations.A check at the end of a day's transactions gave the counts shown in the table to each of the 5 memory locations,along with the number of reported errors.
The bank manager wanted to test whether the proportion of errors in transactions assigned to each of the 5 memory locations differ.
-Referring to Scenario 12-4,at 1% level of significance

• A)there is sufficient evidence to conclude that the proportions of errors in transactions assigned to each of the 5 memory locations are all different.
• B)there is insufficient evidence to conclude that the proportions of errors in transactions assigned to each of the 5 memory locations are all different.
• C)there is sufficient evidence to conclude that the proportion of errors in transactions assigned to each of the 5 memory locations are not all the same.
• D)there is insufficient evidence to conclude that the proportion of errors in transactions assigned to each of the 5 memory locations are not all the same.

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