Module 4 Probability theory

 Robert Dees 

LIS4273

September 21st, 2025

Module 4 assignment Probability

Part A

A1. 1/3

A2. 1/3

A3. 5/9

A4. These are not equal since A and B are not mutually exclusive they overlap.

Part B 

B1. It is true that Marie will more than likely not be rained on during her wedding day 

B2, Rain is rare, even with the forecast, most days it is predicted to rain it still doesn't rain. 

Part C

dbinom(10, size = 10, prob = 0.8)

Bayes result for rain given a rain forecast is about 0.113.
Ten straight successes with the traditional method is about 0.1074.

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