In a survey of 5000 students taking the SAT, 350 were undecided on an intended college major. In another survey of 12,000 students taken 10 years before, 360 were undecided on an intended college major. At a=0.10, can you reject the claim that the proportion of students taking the SAT who are undecided on an intended college major has not changed?

1. Identify the Ho and Ha. State the claim.
2. Is this a right-tail, left-tail or two-tailed test? Explain.
3. Is this a z-test or t-test? Explain.
4. Find the critical values and rejection regions.
5. Find the appropriate standardized test statistic.
6. Reject or fail to reject the null hypothesis?
7. Interpret the decision.