Question 1: An economist believes that there is a positive correlation between income and percent of disposable income saved by young adults. To test this, a sample of income and saving data is gathered from the Division of Taxation for adults under the age of 35. State the null and the alternative hypothesis to test this claim.

Question 2: The National Highway Safety Administration recognizes that the antilock braking system as a revolutionary safety feature. The claim is that automobiles with this system are involved in fewer fatal crashes than those without. State the null and the alternative hypothesis to test this claim.