In the construction of confidence intervals if all other quantities are unchanged, an increase in the standard deviation will lead to a interval.

In general, point estimates are just as useful as confidence intervals? T/F

Both the t distribution and the z distribution have a mean of 0? T/F

Finding tbe values of the variables in each kite

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

Simplify 1/3 12x - 6 a. -2x-1 b.-2x-8 c.-x+4 d.3x+10 e. 4x-2