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zar zar
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4 years ago
On a multiple choice test with 7 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the expected number of correct answers.

▸ 1.8

▸ 2.3

▸ 5.3

▸ 3.5
Textbook 
Introductory Statistics: Exploring the World Through Data

Introductory Statistics: Exploring the World Through Data


Edition: 2nd
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osvaldoguzmanosvaldoguzman
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#1
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4 years ago
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zar Author
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4 years ago
This site is awesome
ouasfoudgewu
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Yesterday
Good timing, thanks!
macbookpro1
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2 hours ago
Brilliant ツ
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