A bag contains
black chips and
white chips. Dexter and Thanh play the following game. Dexter randomly selects one chip from the bag. If the chip is black, Dexter gives Thanh
$.
If the chip is white, Thanh gives Dexter
$.
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A bag contains 7 black chips and 2 white chips. Dexter and Thanh play the following game. Dexter randomly selects one chip from the bag. If the chip is black, Dexter gives Thanh $4. If the chip is white, Thanh gives Dexter $11.
A bag contains 4 blue chips and 6 red chips. Chi and Dolly play the following game. Chi selects one chip at random from the bag. If Chi selects a blue chip, Dolly gives Chi $6. If Chi selects a red chip Chi gives Dolly $5. Determine Chi's expectation Determine Dolly's expectation
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One bag contains 4 white and 2 black balls. Another contains 3white and 5 black balls. One ball is drawn from each bag. Find theprobability that both are of same colour.
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