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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Anonymous Jas Kaur1
wrote...
4 weeks ago
how long can people wear masks for? This is an interesting public health question and we should all help Dr Bonnie Henry. Because of what is called privacy concerns we have only sample data not individual. The mean sample time is 3.2 hours, with a standard deviation of ¾ hour. This is based on 49 samples. What is the probability of a sample wearing a mask formore than 3 ½ hours?For how long does a sample need to wear a mask to bein the bottom 19%?
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Educator
4 weeks ago
Please review my solution (attached below the video). If you have any questions, reply back. I will also answer the rest of those stats questions that were posted momentarily.

Please watch the following video to help understand the formulas I used
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