The binomial distribution Flashcards
unit 6.2
1
Q
What does X = ?
A
number of successful trials
2
Q
What does X~B (n,p) state ?
A
that X is modelled as a binomial distribution of the probability of success
3
Q
What does p = ?
A
P(success)
4
Q
What does n = ?
A
number of trials
5
Q
What does q = ?
A
P(failure)
6
Q
What must the trials be ?
A
independent of one another
7
Q
What does ! mean ?
A
factorial
8
Q
What does C = ?
A
combination nCk where n is the index/parameter
9
Q
What do you use when you are dealing with greater/less than or equal to ?
A
Binomial CD
10
Q
How do you write P(k successes in n trials) ?
A
n^C>k P^k q^n-k