Which is one of the conditions for constructing a difference in two proportions confidence interval? O n1and n2 must both be at least 30.
O All expected frequencies are at least five.
O nip1210,nı (1-P1) z 10, and n2 P2210, n2 (1-p_2) 2 10.
O Your correlation coefficient must be close to 1 or -1.

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Igure 1 and figure 2 are two congruent parallelograms drawn on a coordinate grid as shown below: 4 quadrant coordinate grid showing two parallelograms. figure 1 has vertices at negative 5, 2 and negative 3, 4 and negative 4, 7 and negative 6, 5. figure 2 has vertices at 5, negative 2 and 7, negative 4 and 6, negative 7 and 4, negative 5. which two transformations can map figure 1 onto figure 2? reflection across the y-axis, followed by reflection across x-axis reflection across the x-axis, followed by reflection across y-axis reflection across the x-axis, followed by translation 10 units right reflection across the y-axis, followed by translation 5 units down