The sampling distribution for a goodness of fit test is the a. Poisson distribution b. t distribution c. normal distribution d.
1 answer:
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The complete question is
<span>∠BEC is formed inside a circle by two intersecting chords. If minor arc BD = 94 and minor arc CA = 166, what is the measure of ∠ BEC?
the picture in the attached figure
we know that
The angle formed inside of a circle by two intersecting chords is </span><span>the half-summit of the arcs that comprise it and its opposite.
so
</span>∠BED=(1/2)*[arc AC+arc BD]-----> (1/2)*[166+94]-----> 130°
∠BEC+∠BED=180°-----> by supplementary angles
∠BEC=180-130-----> 50°
<span>
the answer is
</span>∠BEC=50°<span>
</span>
<span>∠BEC is formed inside a circle by two intersecting chords. If minor arc BD = 94 and minor arc CA = 166, what is the measure of ∠ BEC?
the picture in the attached figure
we know that
The angle formed inside of a circle by two intersecting chords is </span><span>the half-summit of the arcs that comprise it and its opposite.
so
</span>∠BED=(1/2)*[arc AC+arc BD]-----> (1/2)*[166+94]-----> 130°
∠BEC+∠BED=180°-----> by supplementary angles
∠BEC=180-130-----> 50°
<span>
the answer is
</span>∠BEC=50°<span>
</span>
Answer:
Step-by-step explanation:
<u>Trigonometric Values</u>
We need to find the angle s in the interval [π/2,π] where:
There are two possible angles that have the same sine value in the first rotation of s. Any angle on the first quadrant has the same sine as its supplementary angle in the second quadrant.
The first angle s whose sine is is:
The other angle is its supplementary angle:
Only this last angle lies on the required interval, thus:
Answer:
The value is
.
Step-by-step explanation:
This is a right-tailed test.
The null and alternative hypothesis is
Point estimate sample proportion
Test statistics