The values for an exponential random variable can be positive or negative

Nonsampling errors are frequently attributed to the competition

Indicate whether the statement is true or false

If an activity's cost is plotted against its duration on axes with zeros at the origin:

A) The slope of the line is positive because it costs more to finish an activity more quickly. B) The slope of the line is negative because a shorter activity costs less than a longer one. C) The slope of the line is negative because it costs more to finish an activity more quickly. D) The slope of the line is positive because a longer activity costs more than a shorter one.