Select the correct choice and then fill in the blank.
1. For hypothesis tests regarding the population proportion p, you use the _____ (z, t) distribution, provided the sample size is sufficiently large.
2. The decision rule for a test of hypothesis is a rule that specifies the conditions under which _____ (H0,Ha) should be rejected.
3. The test statistic is a statistic computed from the _____ (population, sample) data.