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7. Let X1, X2, . . . , Xn be independently chosen at random from a...

7. Let X1, X2, . . . , Xn be independently chosen at random from a population with distribution givenbythepdff(x)=3x2 for0≤x≤1and0otherwise.

(a) Find a formula for F(x), the cdf of the population. Be sure to specify the domain.

(b) Find a formula for FXmin, the cdf of Xmin. Be sure to specify the domain.

(c) Find a formula for fXmin, the pdf of Xmin. Be sure to specify the domain.

(d) If n = 10, find the probability that Xmin, the smallest value in the sample, is less than 0.5.

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