Answer:
Step-by-step explanation:
x + 159 = 180
x = 21
Answer C or the third one
Answer:
Step-by-step explanation:
Calculate z-score firstly
z-score = (x-mean)/SD = (2.75-2.5)/0.25 = 0.25/0.25 = 1
P( x greater than or equal to 2.75) = P(z greater than or equal to 1)
= 1 - p(z <1)
P(z<1) from table = 0.84134
1-p(z<1) = 0.15866 or 15.866%
Answer:
Volume = length x width x height
V = 18 x 8 x 12 = 1728 cm3 = 1728 ml = 1.729 liters
Step-by-step explanation: