The percentage of high school graduates applying to multiple colleges has been increasing over the past several
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The percentage of high school graduates applying to multiple colleges has been increasing over the past several years. According to the National Association for College Admission Counseling, 36% of high school students applied to seven or more colleges in 2015. A random sample of 350 high school graduates in 2018 was selected and 143 of them applied to seven or more colleges.
a. Construct a 90% confidence interval to estimate the actual proportion of high school graduates that applied to seven or more colleges in 2018.
b. What is the margin of error for this sample?
c. Is there evidence that this proportion has changed since 2015 based on this sample?
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a b ME p 164500263 00433 c There is evidence that the pr...View the full answer
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