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<p><strong>Repairs</strong></p> <p>In how many orders can #a broken computers and #b broken printers be repaired if:</p> <ol> <li>there are no restrictions?<br />{2:SA:\*~=\#sola}<br /><br /></li> <li>the printers must be repaired first?<br />{2:SA:\*~=\#solb}<br /><br /></li> <li>the computers must be repaired first?<br />{2:SA:\*~=\#solc}<br /><br /></li> <li>If the order of repairs has no restrictions and the order of repairs is done at random, what is the probability that a printer will be repaired first?<br />{2:SA:\*~=\#sold}</li> </ol>
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Tuesday, 5 November 2013, 10:16 AM
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