DAT Math test with 100% Verified Solutions

DAT Math test with 100% Verified Solutions For a normal distribution graph ____ of the data is contained within one standard deviation from the mean - CORRECT ANSWER 68% For a normal distribution graph ____ of the data is contained within two standard deviations from the mean - CORRECT ANSWER 95% For a normal distribution graph ____ of the data is contained within three standard deviations from the mean - CORRECT ANSWER 99% A special isosceles right triangle has angles 45, 45 and 90 with sides of what length? - CORRECT ANSWER 1, 1, and sqrt2 (hypotenuse) .What is the formula for the sum of internal angles of polygon? - CORRECT ANSWER 180(n-2) where n = # of sides 180(n-2)/n = ______ - CORRECT ANSWER each internal angle measurement What is the formula for a rate equation using 3 variables where two complete a task at different rates individually and a certain rate when they work together? - CORRECT ANSWER 1/(person A) + 1/(person B) = 1/(person A + person B) Formula for surface area of a cylinder - CORRECT ANSWER 2pi*r^2 + 2pi*r*h Formula for surface area of a cube - CORRECT ANSWER A = 6s^2 If BC then B-C = ? - CORRECT ANSWER always positive number On the DAT if you have two possible answers for the square root of x, one is negative and one is positive are both correct answers or only one? - CORRECT ANSWER Only the positive answer Write 0.005% in decimal form - CORRECT ANSWER 0.00005 What is a chord? - CORRECT ANSWER A line segment joining two points on a circle Midpoint formula - CORRECT ANSWER (xm, ym) = (x1+x2)/2, (y1+y2)/2 Distance formula - CORRECT ANSWER d = sqrt[(x2-x1)^2 + (y2-y1)^2] Distance formula is equivalent to ______ - CORRECT ANSWER one side of a square, so s = d