Concept explainers
(a)
To Calculate: the students are in Mr. Starnes’s class similar to the nation as a whole, justify answer.
(a)
Answer to Problem 7.46E
Explanation of Solution
Given:
Handedness | F | M | Row Summary |
L | 3 | 1 | 4 |
R | 18 | 6 | 24 |
Column Summary | 21 | 7 | 28 |
Formula used:
Calculation:
.
So therefore the number of left-handed people in researcher’s class is more compared to nationally.
(b)
To Calculate: the probability that a randomly selected student from the class is male or right handed, male and right handed.
(b)
Answer to Problem 7.46E
Explanation of Solution
Given:
Handedness | F | M | Row Summary |
L | 3 | 1 | 4 |
R | 18 | 6 | 24 |
Column Summary | 21 | 7 | 28 |
Formula used:
Calculation:
Chapter 7 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
Statistics for Business and Economics (13th Edition)
Basic Business Statistics, Student Value Edition (13th Edition)
Introductory Statistics (10th Edition)
Basic Business Statistics, Student Value Edition
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