Give an example of a context-free language
Give an example of a context-free language L (≠Σ*) that contains a subset L1 that is not context-free. Prove that L is context free. Describe L1 and prove that it is not context-free.
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An average computer mouse inspector can inspect 50 mice per hour. the 48 computer mice inspectors at a particular factory can only inspect 46 mice per hour with a standard deviation of 10. At alpha=0.02 company have reason to believe that these i
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