# Researchers often enter a lot of data into statistical software programs. The probability of making zero to two errors per 1,000 keystrokes is 0.47, and the probability of making three to five errors

Researchers repeatedly invade a lot of grounds into statistical software programs. The verisimilitude of making naught to two errors per 1,000 keystrokes is 0.47, and the verisimilitude of making three to five errors per 1,000 keystrokes is 0.28. Find the probabilities (per 1,000 keystrokes) associated delay each of the forthcoming.

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