Answer:
27
Step-by-step explanation:
given value of Z=9
so, 3×9=27
I hope this helps you
2x and 8x+40 complementary angles
their sum is 180
2x+8x+40=180
10x=140
x=14
The angle = 360° * 0.67 = 241.2
And by rounding to the nearest degree = 241°
The correct choice is number 4
Step-by-step explanation:
<em>Check the attached file for solution and </em>
<em>simulation screen shot</em>
R-Code:
Sample mean
sd = 60 Population Standard deviation
n = 10 Sample size
conf.level = 0.99 Confidence level



