1. Normal
Binomial
Or Poisson?

5. normal

6. N=natural

7. O=O
STANDARD
DEVIATION

8. R=Real life
continuous

9. M=Mean

10. A=area under

11. An example of the normal curve is the weight of new born lambs.
L= lambs
An example of the normal curve is the weight of new born lambs.

15. Binomial Distribution
Memory trick

16. bi

17. no

18. mi

19. al

20. Means two There are TWO possible outcomes Success or Failurebi
Means two
There are TWO possible outcomes
Success or Failure

21. no No. stands for number There are a fixed number of identical trials.
Discrete – bar graph not histogram!

22. Mi sounds like me. Me? I am dependent on no one! I am independent!

23. All trials have the SAME probability
Add another l to get All
All trials have the SAME probability
Constant probability!

25. How do I spot it? Check each of the four conditions.
You will be given, or be able to calculate the probability p.
You will be given the number of trials.

26. BPD Binomial Probability Distribution
Exactly
a certain number (x)
of successful trials

27. BCD Binomial Cumulative Distribution
Up to and including
a certain number (x)
of successful trials

30. PPD Poisson Probability Distribution
Exactly
a certain number (x)
of “occurrences of the event”
with no upper limit

31. PCD Poisson Cumulative Distribution
Up to and including
a certain number (x)
of occurrences of the event

32. Normal
Binomial
Or Poisson?