The American Mineralogist (Oct. 2009) published a study of the evolution of uranium minerals in the Earth's crust. Researchers estimate that the trace amount of uranium x in reservoirs follows a uniform distribution ranging between 1 and 3 parts per million. Complete parts a through c. a. Find E(x) and interpret its value. Select the correct answer below and fill in the answer box to complete your choice. (Simplify your answer.) O A E(X) = This value gives the minimum parts per million of uranium for the collection of all reservoirs on the Earth. O B. E(x)= This value gives the maximum parts per million of uranium for the collection of all reservoirs on the Earth. CC E(x) = 2. This value gives the mean parts per million of uranium for the collection of all reservoirs on the Earth. O D. E(x) = This value gives the mean parts per million of uranium in each reservoir on the Earth. b. Compute P(2

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The American Mineralogist (Oct. 2009) published a study of the evolution of uranium minerals in the Earth's crust. Researchers estimate that the trace amount of
uranium x in reservoirs follows a uniform distribution ranging between 1 and 3 parts per million. Complete parts a through c.
a. Find E(x) and interpret its value. Select the correct answer below and fill in the answer box to complete your choice.
(Simplify your answer.)
O A E(X)=
. This value gives the minimum parts per million of uranium for the collection of all reservoirs on the Earth.
O B. E(x)= This value gives the maximum parts per million of uranium for the collection of all reservoirs on the Earth.
CC E(x)= 2. This value gives the mean parts per million of uranium for the collection of all reservoirs on the Earth.
OD. E(X) =
This value gives the mean parts per million of uranium in each reservoir on the Earth.
b. Compute P(2<x<2.6).
P(2<x<2.6) = |
%3D
Transcribed Image Text:The American Mineralogist (Oct. 2009) published a study of the evolution of uranium minerals in the Earth's crust. Researchers estimate that the trace amount of uranium x in reservoirs follows a uniform distribution ranging between 1 and 3 parts per million. Complete parts a through c. a. Find E(x) and interpret its value. Select the correct answer below and fill in the answer box to complete your choice. (Simplify your answer.) O A E(X)= . This value gives the minimum parts per million of uranium for the collection of all reservoirs on the Earth. O B. E(x)= This value gives the maximum parts per million of uranium for the collection of all reservoirs on the Earth. CC E(x)= 2. This value gives the mean parts per million of uranium for the collection of all reservoirs on the Earth. OD. E(X) = This value gives the mean parts per million of uranium in each reservoir on the Earth. b. Compute P(2<x<2.6). P(2<x<2.6) = | %3D
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