511339
Beschreibung
Karteikarten von jennabarnes12387, aktualisiert more than 1 year ago
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Erstellt von jennabarnes12387
vor fast 11 Jahre
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| Frage | Antworten |
| What is probability? | a number associate with a random event |
| How do you calculate AUB if the sets of data are overlapping? | P(A) + P(B) - P(AUB) |
| How do you calculate ANB? | P(A) * P(B) = P(A) * P(B|A) |
| The mean and standard deviation of Z are always the same. What are they? | the mean is always 0 and the standard deviation is always 1 |
| how do you calculate P(A|B)? | number of outcomes in ANB divided by the number of outcomes in B = P(B)*P(A|B) |
| kidney stones either large or small. large ones are harder to treat if 562 out of 700 treatments are successful what is the estimated success rate? | 562/700*100% = 80% |
| what is the success rate of small stones if there are 315 small successes? | P(S|small size) = 315/357(total small)*100% = 88% |
| three runners are competing for first place. how many ways can u win first? second? this is the counting rule | first = 3 ways second = 2 ways 3*2 = 6 posibilities |
| what are the other two ways to calculate the counting rule? | permutation = N!/(N-n)! combination = N!/n!(N-n)! |
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