For each pair of points P1, P2, find the direction of PP2 and the midpoint of line segment PP2. Р 3 (0, 0, 0), Р — (3, —2, —9) Direction is 3i/sqrt(94) -2j/sqrt(94)-9k/sqı Midpoint is (3/2i-j-9/2k) Р %3D (-9, —5, -5), Р, — (8, —6, —3) Direction is Midpoint is

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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.