Answer:
0.2839 = 28.93%
Step-by-step explanation:
In order to find find the probability that one car chosen at random will have less than 68.5 tons of coal, we have to find z
Le x be tons of coal in a car
Z = (x – mean)/standard deviation
Z = (x – μ)/ σ
P (x<68.5) = P(z < (68.5-69)/0.9)
P (x<68.5) = P(z < -0.5555)
Then we use the z table to find the area under the curve.
P (x<68.5) = 0.2893
A = ((6 + 7 + 6) . 8)/2
A = 19 . 4
A = 76
Answer:
B. y= -3x2 + 3
Step-by-step explanation:
y= -3^2+3
Answer:
50
Step-by-step explanation:
34%=34/100
34/100 = 17/50
Answer:
The answer to your question is: 40°
Step-by-step explanation:
Due to the directions, we can know that KL is parallel to GH, then the
∠ FKL ≡ ∠ FGH = 40
