Mathematics, 12.11.2019 03:31 deandrehudson18
According to a poll, 83% of california adults (418 out of 506 surveyed) feel that education is one of the top issues facing california. we wish to construct a 90% confidence interval for the true proportion of california adults who feel that education is one of the top issues facing california.
what is a point estimate for the true population proportion?
Answers: 2
and the 90% confidence interval is (0.8025, 0.8575)
= X/n = 418/506 = 0.83, the standard deviation is given by 
. Therefore, the 90% confidence interval for the true population proportion is 
, i.e., 
, i.e., 
, (0.8025, 0.8575).
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According to a poll, 83% of california adults (418 out of 506 surveyed) feel that education is one o...
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