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laiahlott
laiahlott
14.03.2020 • 
Mathematics

A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 10 cars needs to have oil added. If this is true (and assuming cars arriving independently), find the probability of each of the following:

A. One out of the next four cars needs oil.

B. Two out of the next eight cars needs oil.

C. 5 out of the next 20 cars needs oil.

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