Question

3. The cumulative distribution function (CDF), of a particular brand of flash drive is Fr(t) 0 for t s5.0, Fr(t) (t-5.0) for 5.0<ts6.0, and Fr(t) 1 for t> 6.0. Here, time t has the units of years. a. Sketch Fr(t) versus t. Show proper axis labels, scales, and units. b. Express mathematically reliability RT(t) versus t for t2 0, and sketch it below Fr(t) to the same horizontal scale. Show proper axis labels, scales, and units. Express mathematically probability density function (pdf) fr(t), and sketch it below Rr(t) to the same horizontal scale. Show proper axis labels, scales, and units. Compute the mean time to failure for this brand of flash drive. Give proper units. Show your work. c. d.

Answer 1

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