In a survey of 800 parents, 632 said that music education has a positive effect on academic performance. A music teacher wants to do inferences about the proportion of parents who believe that music education has a positive effect. (a) What is the point estimate of the true population proportion of parents who believe that music education has a positive effect? (b) Construct a 95% confidence interval (interval estimate) for the true population proportion of parents who believe

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In a survey of 800 parents, 632 said that music education has a positive effect on academic
performance. A music teacher wants to do inferences about the proportion of parents who believe that
music education has a positive effect.
(a) What is the point estimate of the true population proportion of parents who believe that
music education has a positive effect?
(b) Construct a 95% confidence interval (interval estimate) for the true population proportion
of parents who believe that music education has a positive effect.

 

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