Students in a physics course obtained the following distribution of grades: 15% of the students obtained a B, and 30% obtained an A. An A was the highest grade that a student could obtain in the course. No other information was given. If a student is selected at random, the probability that he or she received a C or lower is

What is the range? can’t seem to find it out

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.