In: Statistics and Probability
The Parti Quebecois has always stated they would hold a referendum for independence
under “winning conditions”. This basically means they would hold a referendum when they can
prove that more than 50% of the population is in favour of independence.
a) What hypothesis test results from the above statements? What are the hypotheses
to be confronted?
The PQ has conducted a survey with a sample of 625, from which 320 were in favour of
independence.
b) Conduct a hypothesis test using the rejection zone method at a 5% level of
significance.
c) What is the test’s conclusion?
d) Describe a type I and type II error in the given context.