Lena the trainer has two solo workout plans that she offers her clients: plan a and plan b. each client does either one or the other (not both). on wednesday there were 12 clients who did plan a and 2 who did plan b. on thursday there were 3 clients who did plan a and 5 who did plan b. lena trained her wednesday clients for a total of 19 hours and her thursday clients for a total of 7 hours. how long does each of the workout plans last?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)