628
5. Evaluate Expressions
a) 9!/4! = (9 x 8 x 7 x 6 x 5 x 4!) / (4!)
= (9 x 8 x 7 x 6 x 5 x 4!) / (4!)
= 15120
b) (52-47)! = 5!
= 5 x 4 x 3 x 2 x 1
=120
6. Combinations vs. Permutations
Combination
Permutation
Number of ways to select 'r' items/objects from a given number of 'n' items
Number of ways to arrange 'r' items/objects from a given number 'n' items
The order of selecting items is not of interest but repetition is allowed
The order of items is of interest and also allows for repetition
Formula given as
Formula given as
For example,...
All subjects surveyed showed signs of anxiety that occurs specifically in relation to a certain situation or object. The following questions were contained on the survey. Individual phobic symptoms included insects, Scores for individual phobic symptoms ranged from 0 to 4:0 = no information; 1 = no; 2 = doubtful; 3 = mild; and 4 = moderate to severe. RESULTS: Frequency of reported phobias. (Males/Females) reported having greater number of phobia symptoms.
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3. In what form or forms does the conflict between outcomes and actions present itself in this scenario? On one hand, testing as many people as possible for AIDS, and specifically focusing testing programs upon high-risk groups seems like a good idea, given that it should result in the positive outcome of reducing the amount of unaware people engaged in high-risk sexual behavior who could infect other individuals. However, there is
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Despite these glowing reports, Keating (1997) cautions that not every community has enjoyed the same level of success as the studies have suggested. In his essay, "We Wuz Robbed! The Subsidized Stadium Scam" (1997), Keating says, "Only team owners and players clearly benefit from these taxpayer subsidies, because they are relieved of the costs of stadium financing. Indeed, annual debt-service costs can run into the tens of millions of dollars"
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