Afootball coach is trying to decide: when a team is ahead late in the game,
which strategy is better?
• play the "regular" defense.
• play a "prevent" defense that guards against long gains but makes short
gains easier.
the coach reviews the outcomes of 100 games.
win
loss
total
50
regular defense
42
35
15
prevent defense
total
35
77
15
23
50
100
compare the probability of winning when playing regular defense with the
probability of winning when playing prevent defense. draw a conclusion
based on your results.