My last problem for the day ^_^ Suppose X=SAT score and X~N(1020,?). Suppose we take a SRS of 16 SAT scores and find s=100. Find P(xbar<950). Answer choices: A) 950 B) .7527 C) .9933 D) .0067 E) 0 F) .2473
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Use a t with 15 dfs. from http://www.danielsoper.com/statcalc/calc08.aspx
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