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# Another one i'm stuck with, the examples don't show how to calculate for Za/2 a number just appears in the examples and it's not helpful:

Another one i'm stuck with, the examples don't show how to calculate for Za/2 a number just appears in the examples and it's not helpful:

Construct a confidence interval for p 1 minus p 2 p1−p2 at the given level of confidence.

x 1 equals x1=387, n1=518 518​, x2=414, n2=598 99​% confidence 99​% confidence interval for p1 and p2

﻿ ( − 0 . 0 4 3... View the full answer

The confidence interval for p 1... View the full answer

The confidence interval of ﻿ p... View the full answer

1 comment
• I have done wrong subtraction in 2nd last line of the calculation it should be 0.75-0.69 =0.06 The formula and procedure is correct but some calculation ,mistakes are there.
• shubhshukla
• Jun 07, 2018 at 5:27pm

Confidence interval for... View the full answer

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