Question: I'm not sure why my answer is not correct. Please explain your work briefly... :( An article suggested that yield strength [ksi} for A36 grade

I'm not sure why my answer is not correct.

Please explain your work briefly... :(

An article suggested that yield strength [ksi} for A36 grade steel is normally distributed with ,u = 44 and a = 5.5. I USE SALT (a) what is the probability that yield strength is at most 39? Greater than 65? (Round your answers to four decimal places.) at most 39 0.1841 x greater than 65 0.0001 (b) 1What yield strength value separates the strongest ?5% from the others? [Round your answer to four decimal places.) 4714 x ksi You may need to use the appropriate table in the Appendix ofTables to answer this

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