document.write( "Question 87096: i need help with these two problems can someone help me.thanks\r
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document.write( "Problem #1
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document.write( "A group of 7 workers decides to send a delegation of 2 to their supervisor to discuss their greivances.
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document.write( "a) how many delegations are possible?
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document.write( "b)If it is decided that a particular worker must be in the delegation, how many different delegations are possible?
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document.write( "c)IF there are 2 women and 5 men in the group, how many delegations would include at least 1 woman?\r
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document.write( "Problem #2
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document.write( "A television commercial for Little Caesars
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document.write( "pizza announced that with the purchase of two pizzas, one
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document.write( "could receive free any combination of up to five toppings
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document.write( "on each pizza. The commercial shows a young child waiting
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document.write( "in line at Little Caesars who calculates that there are
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document.write( "1,048,576 possibilities for the toppings on the two pizzas.*\r
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document.write( "a. Verify the child’s calculation. Use the fact that Little
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document.write( "Caesars has 11 toppings to choose from. Assume that the
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document.write( "order of the two pizzas matters; that is, if the first pizza
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document.write( "has combination 1 and the second pizza has combination
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document.write( "2, that is different from combination 2 on the first pizza
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document.write( "and combination 1 on the second.\r
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document.write( "b. In a letter to The Mathematics Teacher, Joseph F. Heiser
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document.write( "argued that the two combinations described in part a
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document.write( "should be counted as the same, so the child has actually
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document.write( "overcounted. Give the number of possibilities if the
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document.write( "order of the two pizzas doesn’t matter.
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Algebra.Com's Answer #63080 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Problem #1 \n" ); document.write( "A group of 7 workers decides to send a delegation of 2 to their supervisor to discuss their greivances. \n" ); document.write( "a) how many delegations are possible? \n" ); document.write( "Answer: 7C2 = 21 \n" ); document.write( "----------------------- \n" ); document.write( "b)If it is decided that a particular worker must be in the delegation, how many different delegations are possible? \n" ); document.write( "Answer: 1*6 = 6 \n" ); document.write( "-------------------- \n" ); document.write( "c)IF there are 2 women and 5 men in the group, how many delegations would include at least 1 woman? \n" ); document.write( "Answer: # of at least 1 woman pairs = # of pairs - # of 2 man pairs \n" ); document.write( "# of at least 1 woman pairs = 21 - 5C2 = 21-10 = 11 \n" ); document.write( "-------------------------- \n" ); document.write( "Problem #2 \n" ); document.write( "A television commercial for Little Caesars \n" ); document.write( "pizza announced that with the purchase of two pizzas, one \n" ); document.write( "could receive free any combination of up to five toppings \n" ); document.write( "on each pizza. The commercial shows a young child waiting \n" ); document.write( "in line at Little Caesars who calculates that there are \n" ); document.write( "1,048,576 possibilities for the toppings on the two pizzas.* \r \n" ); document.write( "\n" ); document.write( "a. Verify the child’s calculation. Use the fact that Little \n" ); document.write( "Caesars has 11 toppings to choose from. Assume that the \n" ); document.write( "order of the two pizzas matters; that is, if the first pizza \n" ); document.write( "has combination 1 and the second pizza has combination \n" ); document.write( "2, that is different from combination 2 on the first pizza \n" ); document.write( "and combination 1 on the second. \n" ); document.write( "# of combinations on one pizza = 11C1+11C2+11C3+11C4+11C5 = 1023 \n" ); document.write( "# of combinations on the two pizza = 1023*1023 = 1,046,529 \n" ); document.write( "If order makes a difference you get 2*1046529=2,093,058 \r \n" ); document.write( "\n" ); document.write( "b. In a letter to The Mathematics Teacher, Joseph F. Heise \n" ); document.write( "argued that the two combinations described in part a \n" ); document.write( "should be counted as the same, so the child has actually \n" ); document.write( "overcounted. Give the number of possibilities if the \n" ); document.write( "order of the two pizzas doesn’t matter. \n" ); document.write( "Looks like 1,046,529 to me. \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |