Your firm owns a fleet of delivery trucks. The discrete probability distribution given in the following table was developed from historical data. It describes the potential total physical damage losses next month to the fleet of delivery trucks owned by your firm.

Loss Next Month	Probability
0	0.50
1000	0.25
2000	0.15
3000	0.10

Find the expected loss next month.

Find the standard deviation of the lost next month.

What does the standard deviation represent?

Find the probability that the physical damage loss next month will be higher than $1000.