• 2021-04-14 问题

    【单选题】某小麦品种在田间出现变异植株的概率为0.0045,今调查100株,恰好有2株出现变异的概率用SAS命令计算语句正确的是:【 】 A. probbnml(0.0045,100,2); B. 1- probbnml(0.0045,100,2); C. cdf("BINOMIAL",2,0.0045,100); D. cdf("BINOMIAL",2,0.0045,100)-cdf("BINOMIAL",1,0.0045,100);

    【单选题】某小麦品种在田间出现变异植株的概率为0.0045,今调查100株,恰好有2株出现变异的概率用SAS命令计算语句正确的是:【 】 A. probbnml(0.0045,100,2); B. 1- probbnml(0.0045,100,2); C. cdf("BINOMIAL",2,0.0045,100); D. cdf("BINOMIAL",2,0.0045,100)-cdf("BINOMIAL",1,0.0045,100);

  • 2022-05-29 问题

    假设一张考卷有10道选择题,每道题有4个选择答案,其中只有一个是正确的。某考生靠猜测,则恰好答对6题的概率用SAS命令计算语句正确的是:【】 A: probbnml(0.25,10,6); B: 1-probbnml(0.25,10,6); C: PMF("BINOMIAL",6,0.25,10); D: 1-cdf("BINOMIAL",5,0.25,10);

    假设一张考卷有10道选择题,每道题有4个选择答案,其中只有一个是正确的。某考生靠猜测,则恰好答对6题的概率用SAS命令计算语句正确的是:【】 A: probbnml(0.25,10,6); B: 1-probbnml(0.25,10,6); C: PMF("BINOMIAL",6,0.25,10); D: 1-cdf("BINOMIAL",5,0.25,10);

  • 2022-05-29 问题

    假设一张考卷有10道选择题,每道题有4个选择答案,其中只有一个是正确的。某考生靠猜测,则至少能答对6题的概率用SAS命令计算语句正确的是:【】 A: probbnml(0.25,10,6); B: 1-probbnml(0.25,10,6); C: cdf("BINOMIAL",6,0.25,10); D: 1-cdf("BINOMIAL",5,0.25,10);

    假设一张考卷有10道选择题,每道题有4个选择答案,其中只有一个是正确的。某考生靠猜测,则至少能答对6题的概率用SAS命令计算语句正确的是:【】 A: probbnml(0.25,10,6); B: 1-probbnml(0.25,10,6); C: cdf("BINOMIAL",6,0.25,10); D: 1-cdf("BINOMIAL",5,0.25,10);

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