An analyst estimates that a stock has the following probabilities of year-end prices. 
a.Calculate the expected price at year-end.
B)Calculate the variance and the standard deviation.
Definitions:
Central Limit Theorem
A theory stating that when samples are large enough, their mean will be approximately normally distributed, regardless of the population's distribution.
Standard Error
A statistical measure that quantifies the variability or dispersion of a sample statistic from the population parameter it estimates.
Population Distribution
A term that describes how the values of a variable are distributed across an entire population.
Sampling Distribution
The probability distribution of a given statistic based on a random sample.
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