Algebra 2 Ch 12 Formulas
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Created by:
rmscswimchix on February 28, 2012
Subjects:
Description:
Probability and Statistics
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12 terms
English | Math / Symbols |
|---|---|
 Fundamental Counting Principal (12.1) | m×n |
| Permutation (12.2) | P(n,r)= n! ⁻⁻⁻ (n-r)! |
| Permutations with Repetitions (12.2) | n! ⁻⁻⁻ p!q! |
| Combinations (12.2) | n! ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ (n-r)!r! |
| Probability of Success and Failures (12.3) | P(s)= s ⁻⁻⁻ s+f P(f)= f ⁻⁻⁻ s+f |
| Multiplying Probabilities (12.4) | P(a and b)=P(a)×P(b) |
| Mutually Exclusive (12.5) | P(a OR b)= P(a)+P(b) |
| Indusive (12.5) | P(a OR b)= P(a)+P(B)-P(a×b) |
| How to find Standard Deviation(12.6) | EX:2,3,4,5 1.Find the mean= 7 2.Difference between each value in the set and the mean= -5,-4,-3,-2 3.Square each difference=25,16,9,4 4.Find the mean of the squares=40.5 5.Take the square root of this=6.363 6.363 is your SD(standard deviation) |
| Normal Curve |  .5; 2; 13.5; 34; 34; 13.5; 2; .5 |
| Positive Skew |  |
| Negative Skew |  |
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