Answer:
To say that an object is electrically polarized is to say that object have polarity and the charges on both the poles are not equal in either magnitude or direction.
Explanation:
When an object is subjected to any external electric field, the electric field distorts the negatively charged electrons into opposite direction of the field and polarization occurs.
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Answer:
0.2776
Explanation:
Mean = 15000, SD = 1500
We need to find Cumulative probability: P(X > 15884)
First we need to convert it into normal distribution.
From the attached file, we can see the shaded area we are looking for.
For conversion as follow; 
Next to find Z = 
= 0.59
now we have converted to normal distribution and found the value of Z, we need to find the probability P(X > 15884).
P(X > 15884) = P(Z > 0.59).
From the normal distribution table at Z= 0.59, and greater than 0.59, Probability = 0.2776.
Answer:
Explanation:
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