Mathematics · Percentages and Sequential Calculations
A learning animal improves task performance according to these rules: • Initial efficiency = 40% • Each trial increases efficiency by 20% of the remaining inefficiency. • Stress reduces the net gain in efficiency of that step by 10%. Calculate the efficiency after 2 trials.
- 158.4%
- 257.6%
- 356.8%✓
- 455.2%
Correct answer
56.8%
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