Compute the maximum and minimum load

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Reference no: EM13542315

1.Suppose X is a continuous random variable with probability density function, f(x)=4x^3 for 0<x<1, f(x)=0 for x elsewhere.

a)find find E(X)

b)find the medium of X,the 50th percentile c)use the following four uniform (0,1) distrubuted random variables from table 7, .64,.30,.02,.87 to stimulate a random sample data set of n=4 values of X d) compute the sample mean and medium sample from the stimulated sample

2.Consider a 2014-T6 aluminum alloy the S-N behavior. A cylindrical rod of diameter 13.2 mm fabricated from this alloy is subjected to repeated tension-compression loading along its axis. Compute

(a) the maximum, and

(b) the minimum loads that will be applied to yield a fatigue life of 108 cycles. Assume that the data were taken for a mean stress of 27 MPa.

Reference no: EM13542315

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