The price (dollars per 1,000 board feet) of Douglas r from western Washington and Oregon varies according

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The price (dollars per 1,000 board feet) of Douglas r from western Washington and Oregon varies according to a triangular distribution T(300, 350, 490).
(a) Find the mean.
(b) Find the standard deviation.
(c) What is the probability that the price will exceed 400? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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