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The error invol ved in making a certain measurement is a continuous rv X with the following pdf. - x2) -2 xs 2 0.09375(4 f(x)f(x f(x) 0.6H 0.6H 05 0.5 F 0.4 0.4 0,3 0,3 0.2 0.2 0.1 0.1 X -3 -2 -1 -2 3 3 (b) Compute P(X> 0) (c) Compute P(-1 < X < 1).Determine z for the following of a. (Round your answers to two decimal places.) (a) a0.0059 (b) a 0.08 (c) a0.649

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Answer #1

1 a) top right curve is correct

b)P(X>0) =0.5

c) P(-1<X<1)=0.6875

d)P(X<-0.9 or X>0.9)=0.3706

2)

a) z = 2.52 (please use negative sign in front if this comes wrong)

b)z = 1.41 (please use negative sign in front if this comes wrong)

c)z =0.38 (please use negative sign in front if this comes wrong)

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