Subject is Financial Markets: Answer the problem given with comprehensive explanations for each letter required.

$1.$ Assume the following information for a given investment:

Holding Period Probability

Return

$20\%0\mathrm{.}15$

$150\mathrm{.}20$

$100\mathrm{.}30$

$50\mathrm{.}20$

$00\mathrm{.}15$

Required:

a$.$ Expected Value

b$.$ Standard Deviation