A 90% confidence interval is found to be (72, 78). What is the margin of error? A. 6
B. 2.7
C. 5.4
D. 3

Ineed with number 17 i don’t get it at alll

Write an equation in standard form of the line that passes through the point and has the given slope. ( -2, 4) ; m = -6which of the following best describes the technique used to graph the equation using the slope and y-intercept? y = 5x + 10write the standard form of the equation of the line through the given point with the given slope. point , 4); slope -3/2

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7