Which of the following is the standard deviation of the random variable x, the number that appears on a die, if the probability of any number on a fair, 5-
sided die is ?
O A. 2.5
O B. 1.414
O C. 0.2
O D. 1.581
SUBMIT

Trevor and marissa together have 26 t-shirts to sell. if marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. identify the if-than moves in your solution

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.