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Engineering Mathematics Miscellaneous

Engineering Mathematics

  1. The variable x takes a value between 0 and 10 with uniform probability distribution. The variable y takes a value between 0 and 20 with uniform probability distribution. The probability of the sum of variables (x + y) being greater than 20 is
    1. 0.33
    2. 0.25
    3. 0
    4. 0.50
Correct Option: B


Required Probability (x + y > 20)

=
Shaded Area
Total Area

=
1/2 × 10 × 10
20 × 10

=
50
= 0.25
200



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