Suppose that the PDF for the number of years it takes.to earn a bachelor of science (B.S.) degree is given in the table below. P(x) 3 .05 4 40 5 .30 6 .15 7 10 a. What is the probability a student will earn their B.S. degree in less than 5 years? P(x < 5) = b. What is the probability the student will take exactly 6 years? P(x = 6) = %3D

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Chapter1: Combinatorial Analysis
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Suppose that the PDF for the number of years it takes.to earn a
bachelor of science (B.S.) degree is given in the table below.
x P(x)
3 .05
4 40
5 .30
6 .15
7 10
a. What is the probability a student will earn their B.S. degree in
less than 5 years? P(x < 5) =
b. What is the probability the student will take exactly 6 years?
P(x = 6) =
c. On average, how many years does it take to earn your B.S.
I.
degree?
years
Transcribed Image Text:Suppose that the PDF for the number of years it takes.to earn a bachelor of science (B.S.) degree is given in the table below. x P(x) 3 .05 4 40 5 .30 6 .15 7 10 a. What is the probability a student will earn their B.S. degree in less than 5 years? P(x < 5) = b. What is the probability the student will take exactly 6 years? P(x = 6) = c. On average, how many years does it take to earn your B.S. I. degree? years
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