Answer to Question #345249 in Statistics and Probability for lala

Question #345249

Find each of the following percentile points



under the normal curve.



1. P76



2. P85



3. P39



4. P51



5. P88

1
Expert's answer
2022-05-27T00:29:46-0400

A standard normal curve has "\\mu =0" and "\\sigma =1"


Z values for different percentiles can be found from Z-Score Percentile Distribution Table:





or using percentile to z-score calculator on this site: https://www.statisticshowto.com/probability-and-statistics/find-critical-values/percentile-z-score/

So,

1. P76=0.76

Z value for "p(0.76) =0.706"

2. P85=0.85

Z value for "p(0.85) =1.036"

3. P39=0.39

Z value for "p(0.39) =-0.279"

4. P51=0.51

Z value for "p(0.51) =0.025"

5. P88=0.88

Z value for "p(0.88) =1.175"

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