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Please clearly show all steps. Thank you! 3. A steel cable consists of eight high-strength steel strands. The strength of each strand can be modeled

Please clearly show all steps. Thank you!

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3. A steel cable consists of eight high-strength steel strands. The strength of each strand can be modeled by a lognormal random variable with a mean value of 50 kips and a coefficient of variation of 10%. What is the probability that the weakest strand will have a strength less than 40 kips? Compute the same probability if the cable consists of 16, 32 and 64 strands

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