Question 8: Eileen has a bottle cap that is bent. When she tosses the bottle cap it can land either facing up (U) or facing down (D). The table below
shows the results for the last 20 tosses that Eileen has made. Based on the
20 tosses, what is the probability of a toss landing facing up (U)?

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

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step-by-step explanation: