Finding Normal Probabilities Worksheet With Answer Key Page 19
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19This is not an especially small probability. But suppose the per-
son got it right 4 times out of 5. In this case the possible orders
are
SSSSF
SSSFS
SSFSS
SFSSS
FSSSS
Five possible outcomes, each with a probability 0.2
0.2
0.2
0.2
0.8 = .00128.
The overall probability is 5
.00128 = .0064.
This seems small enough to be suspicious — maybe he or she
really does have ESP!
19
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