Suppose the proportion x of surface area in a randomly

Reference no: EM13627279

Suppose the proportion X of surface area in a randomly selected quadrat that is covered by a certain plant has a standard beta distribution with Î± = 5 and Î² = 4.

(a) Compute E(X) and V(X). (Round your answers to four decimal places.)

E(X) =
V(X) =

(b) Compute P(X ? 0.2). (Round your answer to four decimal places.)
(c) Compute P(0.2 ? X ? 0.6). (Round your answer to four decimal places.)
(d) What is the expected proportion of the sampling region not covered by the plant? (Round your answer to four decimal places.)

Reference no: EM13627279

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