You roll a 6-sided number cube (dice) 75 times. You rolled a one 13 times, a two 12 times, a three 15 times, a four 10 times, a five 12 times, and a six 13 times.
What is the EXPERIMENTAL probability of rolling a three?

Which of the following of the following sets of side lengths could not form a triangle?

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Which representation has a constant of variation of -2.5