The stock of Business Adventures sells for $60 a share. Its likely dividend payout and end-of-year price depend on

the state of the economy by the end of the year as follows:

	Dividend	Stock price
Boom	$2.00	$73
Normal economy	1.50	63
Recession	.70	59

Calculate the standard deviation of the holding-period return. All three scenarios are equally likely.

(Do not round intermediate calculations. Round your answer to 4 decimal places)

Standard deviation?