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Category > Statistics Posted 12 Jun 2017 My Price 7.00

A recent newspaper article reported the results of a survey of well-educated

17.   A recent newspaper article reported the results of a survey of well-educated suburban parents. The responses to one question indicated that by age 2, children were watching an average of

μ = 60 minutes of television each day. Assuming that the distribution of television-watching times   is normal with a standard deviation of u= 20 minutes, find each of the following  proportions.

a.   What proportion of 2-year-old children watch more than 90 minutes of television each day?

b.   What proportion of 2-year-old children watch less than 20 minutes a day?

 

Answers

Alpha Geek
(8)
Status NEW Posted 12 Jun 2017 07:06 AM My Price 7.00

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file 1497254424-1500302_1_636328146797892514_Transtutor--Vidya-Naik-120617.docx preview (515 words )
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