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1. A committee consisting of 6 people to be selected from eight parents and four teacher. Find the probability of selecting three parents and three teacher.

2. You are dealt one card from a 52- card deck. Then the card is replaced in the deck, the deck is shuffled, and you draw again. Find the probability of getting a five each time.

3. You are dealt one card from a 52- card deck. Then the card is replaced in the deck, the deck is shuffled, and you draw again. Find the probability of getting a picture card the first time ad a spade the second time.

4. A architect is considering bidding for the design of a new shopping mall. The cost of drawing plan a submitting a model is $10,000. the probability being awarded the bid is 0.09, and anticipated profit are $100,000,resulting in a possible gain of this amount minus the $100,000 cost for plans and a model. What is the expected value in this situation?

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