A population of values has a normal distribution with and .
You intend to draw a random sample of size .
Find P23, which is the score separating the bottom 23% scores from the top 77% scores.
P23 (for single values) =
Find P23, which is the mean separating the bottom 23% means from the top 77% means.
P23 (for sample means) =
Enter your answers as numbers accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Find P23, which is the score separating the bottom 23% scores from the top 77% scores.
P23 (for single values) =
Find P23, which is the mean separating the bottom 23% means from the top 77% means.
P23 (for sample means) =
Enter your answers as numbers accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.