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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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nikki1992 nikki1992
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A year ago
A psychologist runs rats through a maze and records the total time it takes for them to navigate the course. If the run times are a normally distributed with a mean of 21 min and the variance of the run times is 9 min, at least 68% of the rats will run the maze within what interval of time?


▸

(18 min, 24 min)



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(12 min, 30 min)



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(15 min, 27 min)



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(5.09 min, 36.91 min)

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
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bigmatic94bigmatic94
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A year ago
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nikki1992 Author
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A year ago
Thanks
bbbbbbbh
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Yesterday
Just got PERFECT on my quiz
Fleury
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2 hours ago
this is exactly what I needed
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