A random sample of 10 size AA batteries for toys yield a mean of 3.27 hours with standard deviation, 0.68 hours. (a) Find the critical value, t*, for a 99% CI. t* =
(b) Find the margin of error for a 99% CI.

The point (-7, -24) is on the terminal ray of angle 0 which is in standard position. a student found the six trigonometric values for angle e. the student's answers are shown. which value(s) are incorrect? sin(8) cos(8) 24 tan(0) sin(0)=25 cos(0) -- tan(ⓡ) - - 24 csc(o)=2 sec(0) --25 cot(6) - za csc(o) sec(0) cot(0) done