Find the standardized test statistic "t" for a sample with n = 12, s = 2.2, x=12.2, and alpha = 0.01 , and if the null hypothesis states that u=11. a. 1.991

b. 2.001

c. 1.890

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

How does reflecting or rotating a figure change the interior angles of the figure?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain