20% of all trucks undergoing a certain inspection will fail the inspection. Assume that 40 trucks are independently undergoing t his inspection, one at a time. The expected number of trucks who fail the inspection is:
2 answers:
I need help with this too... Help :(
20% of 40 = 8 So 8 trucks are expected to fail the inspection. Hope it helps!
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Step-by-step explanation:
5p + 30 = 12p <== ur equation 5p - 12p = -30 -7p = -30 p = -30/-7 p = 4 2/7 pies to break even