Mathematics, 06.06.2020 21:05, queeneaf

In the town of Maplewood a certain type of DVD player is sold at just two stores. 36% of the sales are from store A and the rest of the sales are from store B. 7% of the DVD players sold at store A are defective while 3% of the DVD players sold at store B are defective. If Kate receives one of these DVD players as a gift and finds that it is defective, what is the probability that it came from store A

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In the town of Maplewood a certain type of DVD player is sold at just two stores. 36% of the sales a...