What gas important to life was absent from earth’s earliest atmosphere?
a.
nitrogen
b.
methane
c.
oxygen
d.
carbon dioxide

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places

Which represents the number of times all outcomes less than a given outcome occur? cumulative frequency relative frequency frequency cumulative relative frequency

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6