Which of the following is generally true with respect to portfolio diversification?

	a.	A portfolio of 10 stocks is likely to have a smaller standard deviation than a portfolio of 20 stocks.
	b.	A portfolios expected return increases as more stocks are added.
	c.	A portfolios standard deviation decreases as more stocks are added.
	d.	What matters is a portfolios expected return, not its standard deviation.
	e.	None of the above.