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Question 6
5 pts
ACT scores for the 1,171,460 members of the 2004 high scho...
Mathematics, 26.03.2021 20:30 kluckey3426
Other bookm
Question 6
5 pts
ACT scores for the 1,171,460 members of the 2004 high school graduating class who took the test
closely followed the Normal distribution with mean 20.9 and standard deviation 4.8. Choose two
students independently and at random from this group.
What is the standard deviation of the difference in their score ?
Answers: 1
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