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It is known that 60% of customers will need additional maintenance on their vehicle when coming in for an oil change. A random sample of

It is known that 60% of customers will need additional maintenance on their vehicle when coming in for an oil change. A random sample of 50 customers is taken. What is the probability that less than 70% of customers in the sample will need additional maintenance? What is the probability that more than 65% but less than 70% in the sample will need additional maintenance

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