Concept explainers
(a)
To construct: a probability model for the number of good batteries to get.
(a)
Explanation of Solution
Suppose X is number of good batteries. The probability model is
X | 0 | 1 | 2 |
P(X) |
(b)
To find: the expected number of good ones to get.
(b)
Answer to Problem 23E
1.4
Explanation of Solution
Given:
Calculation:
The expected umber of good batteries is
(c)
To find: the standard deviation.
(c)
Answer to Problem 23E
0.611
Explanation of Solution
Formula used:
Calculation:
Finding the variance
Chapter 16 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Introductory Statistics (10th Edition)
Elementary Statistics: Picturing the World (6th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
Basic Business Statistics, Student Value Edition (13th Edition)
Introductory Statistics (2nd Edition)
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