An online computer support company claims that their mean call-back time is less than 38 minutes. A random sample of 30 calls has a sample mean of 29 minutes and a standard deviation of 6.5 minutes. Calculate the test statistic for testing the company's claim. Assume that a simple random sample has been selected from a normally distributed population. Round to the nearest hundredth.

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5