Question

Write down the formula and properties of a Normal Distribution.

Answer 1

Answer:

The normal curve is symmetrical about the mean μ; The mean is at the middle and divides the area into halves; The total area under the curve is equal to 1; It is completely determined by its mean and standard deviation σ (or variance σ2)The normal distribution is defined by the following equation: The Normal Equation. The value of the random variable Y is: Y = { 1/[ σ * sqrt(2π) ] } * e-(x - μ)2/2σ2. where X is a normal random variable, μ is the mean, σ is the standard deviation, π is approximately 3.14159, and e is approximately 2.71828.

Step-by-step explanation:

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