A geological study indicates that an exploratory oil well should strike oil with probability .2. a What is the probability that the first strike comes on the third well drilled? b What is the probability that the third strike comes on the seventh well drilled? What assumptions did you make to obtain the answers to parts (a) and (b)?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 7CC
icon
Related questions
Question
3.97
A geological study indicates that an exploratory oil well should strike oil with probability .2.
a
What is the probability that the first strike comes on the third well drilled?
b What is the probability that the third strike comes on the seventh well drilled?
What assumptions did you make to obtain the answers to parts (a) and (b)?
Transcribed Image Text:3.97 A geological study indicates that an exploratory oil well should strike oil with probability .2. a What is the probability that the first strike comes on the third well drilled? b What is the probability that the third strike comes on the seventh well drilled? What assumptions did you make to obtain the answers to parts (a) and (b)?
Expert Solution
Step 1

Here given geological study indicate that an exploratory oil well should strike oil with probability 0.2

p = 0.2

q = 1-p = 0.8

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 3 images

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning