Mathematics, 14.12.2019 08:31, shanedietz44ovi6rb
Suppose the radius of a circle is 8 units. what is its circumference?
Answers: 2
Mathematics, 21.06.2019 15:00, lm18618
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.
Answers: 2
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 18:30, Trinityslater
It says factor each expression completely 8y+48
Answers: 1
Suppose the radius of a circle is 8 units. what is its circumference?...
SAT, 23.12.2021 03:40
Social Studies, 23.12.2021 03:40
History, 23.12.2021 03:40
English, 23.12.2021 03:40
Computers and Technology, 23.12.2021 03:50
Mathematics, 23.12.2021 03:50
Mathematics, 23.12.2021 03:50