The table below shows the probability distribution of student ages in a high school with 1500 students. What is the expected value for the age of a randomly chosen student? Age 13 14 15 16 17 18 Probability 0.01 0.25 0.27 0.30 0.16 0.01

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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The table below shows the probability distribution of student ages in a high
school with 1500 students. What is the expected value for the age of a
randomly chosen student?
Age
13
14 15 16
17
18
Probability 0.01 0.25 0.27 0.30 0.16 0.01
期
辑
Transcribed Image Text:The table below shows the probability distribution of student ages in a high school with 1500 students. What is the expected value for the age of a randomly chosen student? Age 13 14 15 16 17 18 Probability 0.01 0.25 0.27 0.30 0.16 0.01 期 辑
A. 15.35
)B. 15.31
C. 15.50
) D. 15.38
Transcribed Image Text:A. 15.35 )B. 15.31 C. 15.50 ) D. 15.38
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