help with part g, d , an
Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.
please help with part g, d , and e
![Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the cdf is the following.
X < 0
x2
F(x)
0 < x < 4
16
1
4 < x
Use the cdf to obtain the following. (If necessary, round your answer to four decimal places.)
(a) Calculate P(X < 3).
0.562
(b) Calculate P(2.5 < X < 3).
0.171
(c)
Calculate P(X > 3.5).
0.234
(d) What is the median checkout duration ? [solve 0.5 = F(Ã)].
2.828
(e) Obtain the density function f(x).
f(x) = F'(x)
x/8
0<x < 4
otherwise
(f)
Calculate E(X).
2.67
(g) Calculate V(X) and o,
V(X)
|8 - (2.67)2 X
2.326
(h) If the borrower is charged an amount h(X)
x2 when checkout duration is X, compute the expected charge E[h(X)].
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