Find standard deviation for the distribution for survey

Reference no: EM13150305

A recent survey by the insurance company showed the following probabilities for the number of bedrooms in each insured home. Find the standard deviation for the distribution.

Number of bedrooms X 2, 3, 4, 5
Proability P(x) 0.3, 0.4, 0.2, 0.1

Reference no: EM13150305

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