A pair of dice is rolled 20 times. what is the probability that a sum of 5 is rolled at least r times

The cheetah traveled 1.75 times faster for the first 8 minutes than it did for the second 8 minutes. Was the distance traveled during the first 8 minutes 1.

Two teams A and B play a series of games until one team wins four games. We assume that the games are played independently and that the probability that A wins any game is p. What is the probability that the series lasts exactly five games?

Evaluate the number of permutations of 16 things taken 3 at a time. A. 720 B. 1,120 C. 2,520 D. 3,360

The table shows the distances a runner covers in one week how much farther does she run on Thursday than friday table mon tues wed thurs friday 7/8 5/8 3/8 7/8 4/8

Solve for x " 1/6x+2/3x+4=x+2

Anonymous 4 years ago You have a graduated cylinder that you use to measure volume. The cylinder is marked in 0.1 ml increments. Which measurement made using this cylinder contains the correct number of significant digits? A. 9.246 ml B. 1.0 ml C. 1.

What is the value of the expression 3:3/4

That base of a square pyramid has side lengths of 9 inches. The height of the pyramid is 21 inches. What is the Volume of the pyramid?

48 out of 200 is what percent

Answer these questions for the poset ({2, 4, 6, 9, 12, 18, 27, 36, 48, 60, 72}, |). a) Find the maximal elements. b) Find the minimal elements. c) Is there a greatest element? d) Is there a least element? e) Find all upper bounds of {2, 9}.