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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Coltonht Coltonht
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4 years ago
On a multiple choice test with 10 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the number of correct answers.

▸ 18.8

▸ 3.5

▸ 1.4

▸ 1.9
Textbook 
Introductory Statistics: Exploring the World Through Data

Introductory Statistics: Exploring the World Through Data


Edition: 2nd
Authors:
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swolfe15swolfe15
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4 years ago
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Coltonht Author
wrote...

4 years ago
Good timing, thanks!
Gamiung3657
wrote...

Yesterday
Thank you, thank you, thank you!
Butwhy
wrote...

2 hours ago
Smart ... Thanks!
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