A population of values has a normal distribution with u = 156.4 and o = 96.5. You intend to draw a random sample of %3D size n = 128. Find P20, which is the score separating the bottom 20% scores from...


A population of values has a normal distribution with u = 156.4 and o = 96.5. You intend to draw a random sample of<br>%3D<br>size n = 128.<br>Find P20, which is the score separating the bottom 20% scores from the top 80% scores.<br>20><br>P20 (for single values) =<br>%3D<br>Find P209<br>which is the mean separating the bottom 20% means from the top 80% means.<br>P20 (for sample means) =<br>Enter your answers as numnbers accurate to 1 decimal place.<br>

Extracted text: A population of values has a normal distribution with u = 156.4 and o = 96.5. You intend to draw a random sample of %3D size n = 128. Find P20, which is the score separating the bottom 20% scores from the top 80% scores. 20> P20 (for single values) = %3D Find P209 which is the mean separating the bottom 20% means from the top 80% means. P20 (for sample means) = Enter your answers as numnbers accurate to 1 decimal place.

Jun 10, 2022
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