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Question: (1 point) Let us suppose that a certain probability instructor manages, with probability 1, to wr…



Question: (1 point) Let us suppose that a certain probability instructor manages, with probability 1, to wr...

Show transcribed image text (1 point) Let us suppose that a certain probability instructor manages, with probability 1, to write exams that have mean 60 and standard deviation 14. The instructor is teaching two classes, one of size 64 and the other of size 36, and is about to give an exam to both classes. (a) Approximate the probability that the average test score in the class of size 64 exceeds 65 Probability (b) Repeat part (a) for the class of size 36 Probability (c) Approximate the probability that the average test score in the larger class exceeds that of the other by more than 1.8 points Probability (d) Approximate the probability that the average test score in the smaller class exceeds that in the other by more than 1.8 points. Probability

(1 point) Let us suppose that a certain probability instructor manages, with probability 1, to write exams that have mean 60 and standard deviation 14. The instructor is teaching two classes, one of size 64 and the other of size 36, and is about to give an exam to both classes. (a) Approximate the probability that the average test score in the class of size 64 exceeds 65 Probability (b) Repeat part (a) for the class of size 36 Probability (c) Approximate the probability that the average test score in the larger class exceeds that of the other by more than 1.8 points Probability (d) Approximate the probability that the average test score in the smaller class exceeds that in the other by more than 1.8 points. Probability

  

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