Please help The programmer at a local public radio station is compiling data on listeners who stream podcasts. An executive for the national broadcaster
has communicated that the overall population mean is 20,500 with a standard deviation of 2,180. The local programmer has a sample of
30 podcasts for her station. By the central limit theorem, which interval do about 99.7% of the sample means fall within?

A 19.306 and 21,694
B. 20,102 and 20,898
C 19.704 and 21.296
D20,282 and 20,718

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit