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Mathematics, 30.12.2021 03:40 batmanmarie2004

A class has two sections. Section I had 56 students of whom 10 received A grades. Section II had 44 students of whom 11 received A grades. Now 1 of the 100 students is chosen at random. a) What is the probability that the student received an A grade?
b) What is the probability that the student was in Section I if the student is known to have received an A grade?

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