Question: The average score on the first Physics exam is 64%, with a standard deviation of 14%. 15 students took the exam. The average score on

  1. The average score on the first Physics exam is 64%, with a standard deviation of 14%. 15 students took the exam. The average score on the second exam was 70%, and 21 students took the exam.
  2. For the first exam: What percentage of the students would you expect to have scored below 36%?
  3. For the first exam: What percentage of the students would you expect to have scored above 78%?
  4. What is the weighted average score across both exams?

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