Question
28
The control panel for an MRI device uses five color
-
coded wires. If we troubleshoot by testing
two wires at a time, how many different tests are required for every possible pairing of two
wires?
10
15
120
2
Question
29
If you randomly select five digits, each between
0
and
9
,
with repetition allowed, what is the
probability you will get the ZIP code of the first author of our textbook?
30240
0.00003307
0.0052
30599