If a single 20 sided dice is tossed once what is the probability of rolling a 15 or 17

The scores of high school seniors on the act college entrance examination in a recent year had mean μ = 20.8 and standard deviation Ï = 4.8. the distribution of scores is only roughly normal.

Let A = {1, 2, 3, 4, 5} and B = {0, 1, 2, 3, 4}. a) List all the ordered pairs in the relation R = a + b = 5 on A. b) List all the ordered pairs in the relation R = (a, b) on A. c) List all the ordered pairs in the relation R = a < b from A to B.

If there is a class of 30 students and 6 of them are off, what fraction of students are there and what percentage of students are off?

luis had $263.45 in savings. He spent $207.48 on computer equipment. How much does he have left in savings?

What is the y-intercept of f (x) = 3x+2?

One of the performers at the circus is Zachary, the Human Cannonball. On Saturday he does three shows. His distances measure 9.2 meters, 15.5 meters, and 16.8 meters. What is the total distance Zachary flies that day?

Simplify - 4+5 (7-3*8)

All rectangles are parallelograms. True False

The owner of a music store received a shipment of 1532 cds came in 37 boxes. The same number of cds were in 36 of the boxes. How many cds were in the remaining

Which of the following is the converse of the statement "If it is my birthday, then it is September"?