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

question 77

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, the calculated value of the test statistic is

• A) -0.1777
• B) -0.0185
• C) 1.4999
• D) 1.5190

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