Question

Spelling mistakes in a text are either “nonword errors” or “word errors.” A nonword error produces a string of letters that is not a word, such as “the” typed as “teh.” Word errors produce the wrong word, such as “loose” typed as “lose.” Nonword errors make up 25% of all errors. A human proofreader will catch 80% of nonword errors and 50% of word errors. Refe

Answer 1

post the rest of the question too please

Answer 2

What about "omission errors", where a word or words that were intended for the text are unintentially left out, such as this post