# Question: Find the mean variance and standard deviation of the annual

Find the mean, variance, and standard deviation of the annual income of a hedge fund manager, using the probability distribution.

x ($ millions) P(x)

$1,700 ...... 0.2

1,500 ...... 0.2

1,200 ...... 0.3

1,000 ...... 0.1

800 ...... 0.1

600 ...... 0.05

400 ...... 0.05

x ($ millions) P(x)

$1,700 ...... 0.2

1,500 ...... 0.2

1,200 ...... 0.3

1,000 ...... 0.1

800 ...... 0.1

600 ...... 0.05

400 ...... 0.05

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