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Use a Tree Diagram to Find the Indicated Probability

Question 1

Multiple Choice

Use a tree diagram to find the indicated probability.
-In the town of Cheraw,a certain type of laptop computer is sold at just two stores.Store A has 38% of the sales, 4% of which are of defective items,and store B has 62% of the sales,2% of which are of defective items.A
Person receives one of these laptop computers as a gift.What is the probability it is defective?


A) 0.014
B) 0.028
C) 0.42
D) 0.03

Correct Answer:

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