I would really appreciate some help with this.

If data collected shows that 95% of cars travel at a speed less than 140 km h^-1, and 10% travel less than 90 km h^-1. What is the average and the SD for the cars? And what is the proportion of cars that travel at speeds exceeding 110 km^-1?

i dont know men

step-by-step explanation:

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation:

hmu if ur willing to do a algebra a online class i’ll pay 600 hmu on the gram profitpreme