Assume we want to test the claim that the proportion of people age 18-25 in the US who currently use illicit drugs is equal to 20%.
A) Identify the null hypothesis and alternative hypothesis.
B) Data from a survey of 10,000 subjects of age 18-25 shows 2334 subjects currently use illicit drug. Find the test statistic.
C) State the nal conclusion, use a 1% signicance level.