This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: )) ( ) 2 ( ) 1 (( n foot in rock no foot in rock no foot in rock no P K Since striking a rock in each foot can be treated as independent events, this probability can be rewritten as the product of the individual event probabilities ) ( ) 2 ( ) 1 ( n foot in rock no P foot in rock no P foot in rock no P K The probability of striking a rock for each foot is p, so the probability of not striking a rock in (1p) for each foot. The probability of making it to n feet is then n p bedrock reaching P ) 1 ( ) ( = For p=1/20 and n=10 feet, 5987 . ) 05 . 1 ( ) ( 10 = bedrock reaching P For p=1/20 and n=20 feet, 3585 . ) 05 . 1 ( ) ( 20 = bedrock reaching P For p=1/10 and n=10 feet, 3487 . ) 1 . 1 ( ) ( 10 = bedrock reaching P For p=1/10 and n=20 feet, 1216 . ) 1 . 1 ( ) ( 20 = bedrock reaching P...
View
Full
Document
This document was uploaded on 02/05/2011.
 Spring '11

Click to edit the document details