Suppose that a customer service center claims that the telephone calls it receives last 114 seconds on average with a standard deviation of 9 seconds.
If you took a sample of 324 telephone calls, which of the following mean
times would be within the 95% confidence interval?

A. 114.5 seconds
B. 117.5 seconds
C. 115.5 seconds
D. 116.5 seconds

From the figure and statement provided, select the proper to prove statement. through a point outside a line one line can be drawn parallel to the line. mn= ab ab + bc= ac mis parallel to ! ab=bc als parallel to b

Find the distance between (0,5) & (-4,2)

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)