Question

13. Suppose error involved in making a certain
measurement is a continuous r. v. X with
p. d. f.
f(x) =
k(4- x²) for-25x52.
otherwise
0
Compute (i) P(X>0), (ii) P(-1 < x < 1),
(iii) P(X< 0.5 or X>0.5)​

Answer 1

Answer:

• 0.50356

Step-by-step explanation:

• P(-0.7 < X < 0.7) = INTEGRAL FROM -0.7 TO +0.7 OF 0.09375(4 - x^2) dx.
• P(-0.7 < X < 0.7) = INTEGRAL FROM -0.7 TO +0.7 OF 0.09375(4 - x^2) dx. = =0.50356

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