The age of the residents in a certain town is normally distributed with an unknown mean μ and unknown standard deviation σ . the mayor knows that the average age 10 years ago was 35, but she thinks that the average age is now lower. to test this claim, she acquires a random sample of 40 residents which has a sample mean age of 36 years and a sample standard deviation of 6 years. if the mayor uses technology, which of the following is the p‑value she will use to test her claim? 0.1460.2920.1490.298