Given that x is a random Variable witth mean l amd finite vanan ce r2. Givena random sample x,, X2 -- Xn from the X distributien with mean x and Varian ce s? In testing the hypottheses: Ho: l=llo Vs. Heill > lo eified tlo; we reject Ho in faver of Hz if: 8-llo z Zd. for a Spe- funcfion for the test Can be rM) = Pu (x Zlot Zd F/sn) ** The Power given by: approximate Strictly an increasing funcfien of U. (ii) Show that the test described albove has Size difor testing: Ho:lE llo Vs. Hq: el7 Mo (i) Show that the power fun ction ou) is approximate
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.
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