Mitch is replacing all the light bulbs in his home with energy efficient LED light bulbs. How many packages of 4 will he need to
1 answer:
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Answer:
Step-by-step explanation:
We need to find the probability that the mechanic will service or more cars.
It's a simpler one given that we have the probabilities of servicing 4 or less cars.
P(at least 5 cars) is given by subtracting the probabilities of servicing both 3 and 4 cars.