3 years ago

I NEED SOME ALGEBRA 2 HELP!

2 answers:

3 0

The statement of the question tells us that 45% of the customers getting an oil change will have their car tires rotated. Therefore:
probability of both = 0.7 x 0.45
= 0.315
= 31.5%

Ilya [14]3 years ago

3 0

Answer:

64.3%

Step-by-step explanation:

You are finding a conditional probability. You divide the second percent by the first percent.

P(B | A) = [P(A and B)] / P(A)

P(A) = 0.7

P(A and B) = 0.45

= 0.45 / 0.7

= 0.643

= 64.3%

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