1 an article in the washington post on march 16 1993 stated, Ask an Expert

Statistics

1. An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of n=85 C of I students found 34 with brown eyes. Give the numerical value of the statistic p^.
p^=____.

2. A recent survey showed that among 850 randomly selected subjects who completed 4 years of college, 183 smoke and 667 do not smoke. Determine a 95% confidence interval for the true proportion of the given population that smokes.

95% CI:______ to _______.

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