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A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. If 11 wood and 16 graphite are defective and one

A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. If 11 wood and 16 graphite are defective and one racket is randomly selected from the sample, find the probability that the racket is wood or defective.

Answer is 0.58, how do you find this?

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