you collect a random sample of size n from a population and calculate a 98% confidence interval which of the following strategies produces a new confidence interval with a decreased margin of error

Abcd is a square. what is the measure of angle bac

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle