NEED HELP ASAP PLSSS At a manufacturing plant, it is known that 8% of the computer chips produced are defective. A random sample of 20 chips is taken. What is the probability that 3 of those chips are defective?

0.08
0.14
0.24
0.78

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas