2. A researcher calculated a standard error for the t statistic. The standard deviation was 1.18 and the sample size was 18. The researcher performed the following operations to convert the standard deviation into a standard error: . Are the researcher's operations and answer correct

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

What is required of a proportional relationship that is not required a general linear relationship