2. Simplify. Then, give an exact value for each expression. A-0 aie 8 (b a) 2 sin 플 cos b) cos 풀 cos 표 + sin 풍 sin 표 0S nia 8 9. Angle x is in quadrant 1, ang the value of cach of the follow in quadrat sdt o tan 80° + tan 40° c) 1- tan 80° tan 40° d) 2 cos? 폭-1 ulev aldiesimog od

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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.