Aschool teacher is worried that the concentration of dangerous, cancer-causing radon gas in her classroom is greater than the safe level of 4pci/l. the school samples the air for 36 days and finds an average concentration of 4.4pci/l with a standard deviation of 1pci/l. at a 5% significance level, the critical value(s) is (are)

idk the answer but just put a

step-by-step explanation:

i need the options

step-by-step explanation:

correct answer is option b.

step-by-step explanation:

the true statement about geometric figure is option b that is one line can be drawn through all three points.

if three points are on the same plane, they can be connected by a line.