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To find the probability that a unit will pass the inspection, we need to calculate the proportion of units that passed the inspection out of the total number of units inspected.
Number of units that passed inspection = Total units inspected - Number of units rejected
Number of units that passed inspection = 1000 - 150 = 850
Probability that a unit will pass the inspection = Number of units that passed inspection / Total units inspected
Probability that a unit will pass the inspection = 850 / 1000
Probability that a unit will pass the inspection = 0.85
Therefore, the empirical probability that a unit will pass the inspection is 0.85 or 85%.