Answer:
z = -0.577
Step-by-step explanation:
sample mean = ( 24.3 + 24.9 + 24.8 ) / 3 = 24.667
n = 3
σ = 1.0
Test statistic:
z = ( 24.667 - 25 ) / ( 1/SQRT(3) )
z = -0.577
Answer:
D. 50
Step-by-step explanation:
Answer:
Equilateral triangles can have only acute angles because acute angles means less than 90° so every angles in equilateral triangle have 60°
I think it’s the first answer
I hope that helped
