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03+probability+distributions.ppt
- 1. Quantitative Methods Varsha Varde
- 2. Quantitative Methods Quantifying Uncertainty: Basic Concepts of Probability
- 8. Assume equally likely outcomes
- 15. Venn Diagram For Roll of a die A:Odd spots B:Even Spots
- 22. Venn Diagram A:Candidates over 3 years experience B:Candidates with post graduate qualification S AB
- 42. P(Ai) P(B/Ai) P(AiB) P(AiB)/P(B)= P(Ai/B) Prior Probabilities Conditional Probabilities Joint Probabilities Posterior Probabilities P(A1)=0.30 P(B/A1)=0.65 P(A1B)=0.195 P(A1/B)=.195/.37 =.527 P(A2)=0.70 P(B/A2)=0.25 P(A2B)=0.175 P(A2/B)=.175/.37=.473 P(B)=0.37
- 54. Frequency Distribution: Number of Sales Orders Booked by 50 Sales Execs April 2006 Varsha Varde Number of Orders Number of SEs 00 – 04 14 05 - 09 19 10 – 14 07 15 – 19 04 20 – 24 02 25 – 29 01 30 – 34 02 35 – 39 00 40 – 44 01 TOTAL 50
- 55. Probability Distribution Varsha Varde Number of Orders Number of SEs Probability 00 – 04 14 0.28 05 - 09 19 0.38 10 – 14 07 0.14 15 – 19 04 0.08 20 – 24 02 0.04 25 – 29 01 0.02 30 – 34 02 0.04 35 – 39 00 0.00 40 – 44 01 0.02 TOTAL 50 1.00