# xx20202121222223232424F(x)F(x)242444995511Let xx be the ages of students in a class. Given the frequency distribution F(x)F(x)above, determine the following probabilities: (a) P(x=22)=P(x=22)=equation editorEquation Editor (b) P(x≤23)=P(x≤23)=equation editorEquation Editor (c) P(20≤x<22)=P(20≤x<22)=equation editorEquation Editor

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 xx 2020 2121 2222 2323 2424 F(x)F(x) 2424 44 99 55 11

Let xx be the ages of students in a class. Given the frequency distribution F(x)F(x)above, determine the following probabilities:

(a) P(x=22)=P(x=22)=

equation editor
Equation Editor

(b) P(x≤23)=P(x≤23)=

equation editor
Equation Editor

(c) P(20≤x<22)=P(20≤x<22)=

equation editor
Equation Editor
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Step 1

Here the numbers are repeated twice. So consider the below table for further calculations.

Step 2

(a)

The value of P(x=22) is obtained below:

Step 3

(b)

The value of P(x≤23) i...

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