What is the probability that the student is proficient

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All the fourth-graders in a certain elementary school took a standardized test. A total of 85% of the students were found to be proficient in reading, 71% were found to be proficient in mathematics, and 63% were found to be proficient in both reading and mathematics. A student is chosen at random.

What is the probability that the student is proficient in mathematics but not in reading? Round the answer to two decimal places.

Reference no: EM132848011

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