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  3. 4 thirteen telephones have just been received at a cell...

Question: 4 thirteen telephones have just been received at a cell...

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4. Thirteen telephones have just been received at a cell phone repair service and are randomly assigned an order to be repaired. Four of these are iPhones, Seven are Samsung phones, and the other two are LG phones including one that is red. a) What is the probability that two cellphones of each type (iPhone, Samsung, and LG) are among the first six phones serviced? b) What is the chance that the next phone serviced after the first LG phone is the red LG phone? (Hint. see example 5j in section 2.5 of the text) c) What is the probability that at least one LG is amongst the first six phones given that four of these six are Samsung phones.

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