Math, asked by govindsahay, 1 year ago

A random sample of 700 units from a large
consignment showed that 200 were damaged. Find              95 % confidence interval for the
proportion of damaged unit in the consignment.


Answers

Answered by sreejithcoolbaby
3
 The confidence interval is: (p∗−zα2⋅p∗⋅(1−p∗)n−−−−−−−−−−√,p∗+zα2⋅p∗⋅(1−p∗)n−−−−−−−−−−√). Here p∗=200/700=0.286, 1−p∗=0.714, n=700, zα2=1.96. So C.I=(0.253,0.319
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