Concept explainers
a.
To make:a Venn diagram to model this chances process.
a.
Explanation of Solution
Given:
The
The probability that Stanford will admit him is 0.5,
And The probability that Pboth of them will admit him is 0.2.
Calculation:
Draw two ellipses to overlap partly.
Name the one of the left “Princeton” and on the right “Stanford”.
Write the probability being admitted to both in the intersection of the ellipses.
The probability is being admitted to Princeton is 0.4, while the probability being admitted is 0.2, thus the probability of being admitted to Princeton alone is 0.2. This has to be written to the left of the intersection.
The probability is being admitted to Stanford is 0.5, while the probability being admitted is 0.2, thus the probability of being admitted to Stanford alone is 0.2. This has to be written to the right of the intersection.
b.
To find: the probability that neither university admits Ramon.
b.
Answer to Problem 6CRE
0.3
Explanation of Solution
Given:
The probability that Princeton will admit him is 0.4,
The probability that Stanford will admit him is 0.5,
And The probability that Pboth of them will admit him is 0.2.
Calculation:
The probability of not being admitted to either university is written outside of the two ellipse and thus is 0.3.
c.
To find: the probability that Ramon gets at least one of the twoschool.
c.
Answer to Problem 6CRE
0.3
Explanation of Solution
Given:
The probability that Princeton will admit him is 0.4,
The probability that Stanford will admit him is 0.5,
And The probability that Pboth of them will admit him is 0.2.
Calculation:
General
Thus, it obtained:
Chapter 5 Solutions
The Practice of Statistics for AP - 4th Edition
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