Question: An iPhone has been found in a classroom. The only to classes that used the classroom were: An art class with 20 students, 95% of

An iPhone has been found in a classroom. The only to classes that used the classroom were: An art class with 20 students, 95% of whom have an iPhone; An engineering class with 300 students, 21% of whom have an iPhone (the rest must have Androids). What is the probability that the iPhone was left by a student in the engineering class? State your answer as a decimal number between 0 and 1

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