Homework help for intro to stats. Question 4.

label Statistics
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Apr 26th, 2015

4.  z = xbar -  mud/sigma / sq rt. n)

(a)       = 49.85 -50/0.1

      = 1.5

So required p = z between 1.5 and -1.5

                      = 0.9332-0.0668

                   p  = 0.8664

(b).  p= 0.5 because z=0

      p = 0.5


Apr 26th, 2015

Can you do this question over with these numbers because i'm still confused.Screenshot (21).png 

Apr 26th, 2015

Can you do this question over with these numbers because i'm still confused.Screenshot (21).png 

Apr 26th, 2015

Can you do this question over with these numbers because i'm still confused.Screenshot (21).png 

Apr 26th, 2015

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Apr 26th, 2015
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Apr 26th, 2015
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