Concept explainers
a.
To find: The
a.
Answer to Problem 107E
The probability is 0.128.
Explanation of Solution
Given:
Probability of success ( p ) = 20% = 0.20
Formula used:
The formula to compute the geometric distribution is:
Calculation:
Consider, X be the random variable that follows the geometric distribution.
Thus, the required probability is 0.128.
b.
To find: The probability that it will take more than 6 pulls.
b.
Answer to Problem 107E
The probability is 0.24.
Explanation of Solution
The probability that it will take more than 6 pulls can be calculated as:
Thus, the required probability is 0.24.
Chapter 6 Solutions
PRACTICE OF STATISTICS F/AP EXAM
Additional Math Textbook Solutions
Elementary Statistics: Picturing the World (7th Edition)
STATS:DATA+MODELS-W/DVD
Intro Stats, Books a la Carte Edition (5th Edition)
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Fundamentals of Statistics (5th Edition)
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