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Category > Marketing Posted 01 Jun 2017 My Price 4.00

What proportion of cold sufferers experience fewer than 4 days of symptoms?

8.48      It is said that sufferers of a cold virus experience symptoms for 7 days. However, the amount of time is actually a normally distributed random variable whose mean is 7.5 days and whose standard devia- tion is 1.2 days.

a.    What proportion of cold sufferers experience fewer than 4 days of symptoms?

b.    What proportion of cold sufferers experience symptoms for between 7 and 10 days?

 

 

Answers

Alpha Geek
(8)
Status NEW Posted 01 Jun 2017 11:06 AM My Price 4.00

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file 1496317479-Answer.docx preview (89 words )
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