10. The probability distribution in the table displays the probability
of a certain golf score at the end of a local amateur golf
tournament. Find the variance, o2, of the probability
distribution.
x
P(x)
0.03
0.14
0.38
0.30
0.15

11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2

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