題組內容
PART C: PROBLEMS
Please provide your solutions in detail.
1. A political poll is taken to determine the fraction p of the population that would support a referendum requiring all citizens to be fluent in the language of probability and statistics.
(2) With p unknown and n the number of random people polled, let
be the fraction of the polled people who support the referendum. What is the smallest sample size n in order to have a 90% confidence that
is within 0.01 of the true value of p? Your answer to this problem should be an integer