The two-way table below shows an intendant careers among an incoming class of first-year college students, divided by gender. If
a male student is chosen at random, what is the probability that intends to be a research scientist.
a. 6.3%
b. 4.17%
c. 2.2%
d. 4.64%
a. 6.3%
b. 4.17%
c. 2.2%
d. 4.64%
1 answer:
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Answer:
see below
Step-by-step explanation:
The angle where chords cross is the average of the intercepted arcs. Here, that is ...
(37° +46°)/2 = (83°)/2 = 41.5°
Angle SUT is 41.5°.
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<em>Comment on the error</em>
The measure of an arc cannot be arbitrarily said to be the same as the angle where the chords cross. It will be the same if (a) the chords cross at the circle center, or (b) the opposite intercepted arc has the same measure. Neither of these conditions hold here.
