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To find the empirical probability that a unit will pass the inspection, we need to subtract the number of rejected units from the total and then divide by the total number of units:
Number of units that passed inspection = 1000 - 150 = 850
Empirical Probability = Number of units that passed inspection / Total number of units
Empirical Probability = 850 / 1000 = 0.85
Therefore, the empirical probability that a unit will pass the inspection is 0.85 or 85%.