Use the given degree of confidence and also sample data toconstruct a trust interval because that the populace proportionp.


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Solution:

Given

n = 195 samplesize

X = 162

*

*
.Sample proportion

*

*
level the significance.

The 95% to trust interval for population proportion p is

*

At

*

*
.From Z table

*

*

*

*

*

*

( 0.777280, 0.8827199)

( 0.7773, 0.8827)

The 95% trust interval for populace proportion p is

( 0.7773, 0.8827)


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