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Austin Berenyi · Answer 1 · 2023-02-26T00:44:40+0000

Solution

We are required to determine the expected value of the given distribution

The formula for expected value is shown below

Thus,

$\begin{gathered} Expected\text{ value =13\lparen0.01\rparen+14\lparen0.25\rparen+15\lparen0.30\rparen+16\lparen0.28\rparen+17\lparen0.15\rparen+18\lparen0.01\rparen} \\ = \end{gathered}$
=0.13+3.5+4.5+4.48+2.55+0.18

The correct option is C

The table below shows the probability distribution of students in a highschool with-example-1

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