Answer: Option #1
Step-by-step explanation:
99 % confidence level - so it has to be 2.58 not 2.33 ( thats 98% confidence level )
then 12times facing u out of 45 times .... 12/45= .27
Option #1 : 0.27 +/- 2.58 StartRoot StartFraction 0.27 (1 minus 0.27) Over 45 EndFraction EndRoot
9514 1404 393
Answer:
32°, 58°
Step-by-step explanation:
The second angle is (3x-38), and their sum is ...
x +(3x -38) = 90
4x = 128 . . . . . . . . . add 38 and simplify
x = 32 . . . . . first angle
3x -38 = 3·32 -38 = 58 . . . . . . second angle
The measures of the two angles are 32° and 58°.