At Sanger's auto garage, 40% of the cars brought in for service need an oil change. Of the cars that need oil changes, 30% also need a tire rotation. Determine the probability that a car that comes into the auto garage needs both an oil change and a tire rotation. P (oil change*tire rotation)

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Mathematics

Shyann Blair

20 March, 21:57

At Sanger's auto garage, 40% of the cars brought in for service need an oil change. Of the cars that need oil changes, 30% also need a tire rotation. Determine the probability that a car that comes into the auto garage needs both an oil change and a tire rotation. P (oil change*tire rotation)

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Ivan Velazquez · Answer 1

We are given the probability of a car that needs oil change that is 40 % and that 30% of that percentage need tire rotation. The probability that a car that comes into the auto garage needs both an oil change and a tire rotation is 0.4*0.3 equal to 0.12