Two machines are used for filling glass bottles with a soft-drink beverage. the filling processes have known standard deviations liter and liter, respectively. a random sample of bottles from machine 1 and bottles from machine 2 results in average net contents of liters and liters. (a) test the hypothesis that both machines fill to the same net contents, using what are your conclusions? (b) find the p-value for this test. (c) construct a 95% confidence interval on the difference in mean fill volume.

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree