Question

Give the numerical value for each of the following descriptions concerning normal distributions by referring to the table standard unit normal distribution for N(0,1)
The 5th percentile of N(20,36) Mean and variance
Z = (score-mean)/SD

Z = (score-20)SD

SD = Sqrt of variance

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z score = .05.

Insert values in above equation to solve for the score.

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