Concept explainers
(a)
To find: the probability of the researcher identifying a trait in none of the 12 frogs.
(a)
Answer to Problem 26E
0.20
Explanation of Solution
Given:
Probability that the trait is
Number of collections is 12
Calculation:
Required Probability is
There is a 20% possibility that none of the 12 frogs have such a trait.
(b)
To find: the probability that, in minimum 2 frogs, the researcher will find the trait.
(b)
Answer to Problem 26E
0.45
Explanation of Solution
Given:
Probability that the trait is
Number of collections is 12
Calculation:
Required Probability is
Thus, there is 45% possibility that minimum 2 such frogs have trait.
(c)
To find: the probability that the trait will be observed by the researcher in 3 or 4 frogs.
(c)
Answer to Problem 26E
0.17
Explanation of Solution
Given:
Probability that the trait is
Number of collections is 12
Calculation:
Required Probability is
There is 17% possibility that 3 or 4 such frogs have trait.
(d)
To find: the probability of the researcher finding the characteristic in no more than four frogs.
(d)
Answer to Problem 26E
0.99
Explanation of Solution
Given:
Probability that the trait is
Number of collections is 12
Calculation:
Required Probability is
There is 99% possibility that no more than 4 such frogs have trait.
Chapter 17 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Basic Business Statistics, Student Value Edition
Elementary Statistics
Essentials of Statistics (6th Edition)
Elementary Statistics (13th Edition)
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