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bmwprincess bmwprincess
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A year ago
A study of college dropouts models the number of undergraduate credits a student successfully earns prior to quitting using an exponential random variable. If the observed average number of credits earned is 22.5, what proportion of students drop out with more than 100 credits, assuming an exponential random variable is appropriate here?


0.0117



0.0392



0.9802



0.2250

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
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timmcgraw1994timmcgraw1994
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A year ago
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bmwprincess Author
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A year ago
Helped a lot
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Yesterday
this is exactly what I needed
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2 hours ago
Good timing, thanks!
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