A sign on the pumps at a gas station encourages customers to have their oil checked, and claims tha…

A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that 1 out of 5 cars needs to have oil added. If this is true (and assuming cars arriving independently), find the probability that at most 21 out of the next 84 cars needs oil. 8975 Incorrect

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#ExploringProbabilityTopics:FromBasicstoAdvancedStrategies