Discussion:
Q: A presidential candidate's aide estimates that, among all college students, the proportion p who intend to vote in the upcoming election is at most 75%. If 222 out of a random sample of 270 college students expressed an intent to vote, can the aide's estimate be rejected at the 0.01 level of significance?
Perform a one-tailed test.
H0 is
H1 is
The type of test statistic is a Z statistic
The value of the test statistic is (round to at least three decimal places)
The p-value is (round to at least three decimal places)
Can we reject the claim that the mean annual income of teachers from New York is less than or equal to the mean annual income of teachers from Rhodes Island?