Which of the following is a true statement regarding the comparison of t-distributions to the standard normal distribution?
I). The normal distribution is symmetrical whereas the t-distributions are slightly skewed.
II). The proportion of area beyond a specific value of t is less than the proportion of area beyond the corresponding value of z.
III). The greater the df, the more the t-distributions resemble the standard normal distribution.

Which of the following statements is not true when it comes to conducting hypothesis tests about the equality of the variances of two populations?

At levels of output where the firm's short-run average cost curve is increasing,

In terms of CFA Institute's Standards of Professional Conduct per Standard III (A): Loyalty, Prudence, and Care, what are the duties that a member would have when managing an individual client's assets?
The Manager has the responsibility:
I). To ensure that the client's objectives and expectations are realistic.
II). To ensure that the client's objectives and expectations suit the client's set of circumstances.
III). To explain all the risks involved to the client and ensure that he has understood them.
IV). To make sure that his own personal objectives do not conflict with that of the client.

If a firm has been experiencing rapid growth with higher property, plant and equipment expenditures, which of the following would probably occur?