Seven ping-pong balls numbered 1-7 are put in a hat. Three balls are chosen without replacement. What is the probability that all three numbers are even numbers?

You are working on an urban planning project assessing the growth of a city. Five years ago, the population was 134,785 The current population is 192,560.

Suppose that 75 percent of the people in a certain metropolitan area live in the city and 25 percent in the suburbs.

Define: voluntary response a) population is divided into similar groups and a SRS is chosen from each group. b) the explanatory variable (s) in an experiment. c) people who choose themselves for a sample by responding to a general appeal.

How many more kilometers in 4320 than 7200

Does every integer have an absolute value?

If the minimum value of the function y = cos θ + d is - 5, the value of d is ...

4 + (-3) + 5 + (-2) how do I find the answer

Lori is reading The Grapes of Wrath for her American literature class. She read 85 pages last weekend, 135 pages during the week, and 98 pages this weekend. What is the total number of pages she has read so far?

A boy was watching the show standing on the ground. A jet fighter when 1000m high passes vertically above an other jet fighter at an instant, when the angle of elevation of the two jets from the boy are 60 degrees and 45 degree respectively.

A worker on a assembly line is required to take a short break every 120 to 150 minutes. The worker begins his job at 9:45 AM. Which is not a time the worker could take his first break