2. The tread life of a tire is normally distributed with a mean of 70,000 miles and a standard deviation of 1,500 miles. What is the probability that the tire will last less than
72,000 miles?
A. 90%
B. 11%
C. 14%
D. 15%

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

What is 0.368,0.380,0.365,and 0.383 in order from least to greatest

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test