Answer:
c
Step-by-step explanation:
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Answer:
15cm
Step-by-step explanation:
- c2=a2+b2 thus do the math and 15 comes
The solution to the equation is x = 0, 2
The graph is posted
hope that helps :)
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
