Concept explainers
(a)
To find: the percent of the junior Biology majors are ineligible for Bioresearch.
(a)
Answer to Problem 19E
0.32
Explanation of Solution
Given:
Formula used:
Calculation:
Junior Biology Majors are ineligible if they have taken neither Statistic nor Computer course. Then calculate this using complements.
About 32% of Biology majors are ineligible.
(b)
To find: the probability that a junior Biology major that taken Statistics has taken a computer course.
(b)
Answer to Problem 19E
0.1346
Explanation of Solution
Formula used:
Calculation:
Probability that junior Biology major who has taken statistics has also taken a computer science is
There is 13.5% possibility that junior biology major who has taken statistics has also taken a computer science.
(c)
To Explain: about these two courses disjoint
(c)
Answer to Problem 19E
Not disjoint
Explanation of Solution
Although
(d)
To Explain: about these two courses independent events.
(d)
Answer to Problem 19E
Not independent
Explanation of Solution
Formula used:
Calculation:
Test for independency.
For this
Therefore they are not independent
Chapter 15 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
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