Consider the angle shown below with an initial ray pointing in the 3-o'clock direction that measures 0 radians (where 0 < 0 < 2r). The circle's radius is 2.5 units long and the terminal point is ( – 2.24, – 1.11). 2 -3 -2 2 3 (-2.24, -1.1 -2 a. The terminal point is how many radius lenghts to the right of the circle's center? h = 2.49 ]* radii Preview b. Then, cos-'(h) Preview c. Does the number we get in part (b) give us the correct value of 0? No : d. Therefore, 0 = Preview

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.