In 2014, the Center for Disease Control and Prevention (CDC) published results from their National Health Interview Survey about circulatory diseases among American adults based on numerous characteristics. The table displays the percentage of adults in four age groups who have been diagnosed with heart disease and the sample sizes for each group. Age (years) Percentage with heart disease Sample size
18−44 4.3% 112,149,000
45−64 12.0% 82,605,000
65−74 24.6% 26,362,000
75 and over 35.0% 18,573,000
What is the standard error (SE) and the margin of error ( ) for a 99 % confidence interval for the difference in proportion of adults ages 65–74 with heart disease and adults ages 75 and over with heart disease? solve for SE and M

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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18.8cm hope i at all

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