Posted by **sophia** on Thursday, October 25, 2007 at 8:23pm.

Given the ensuing well drilling data, answer the following. [Reference: #4.78, page 172]

• .30 (30%) probability of a productive well absent test information

• Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the time

• Pre-drilling ballistics test’s negative result correctly predicts a non-productive well .80 of the time

- statistics -
**sophia**, Thursday, October 25, 2007 at 8:30pm
oops

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