Yes, the mean (and median and mode) is the 50th percentile of any normal distribution.
It is the minimum value.
35% of values lie below the 35th percentile. The median (middle value) is the 50th percentile, 50% lie below it and 50% above.
A 99.6 percentile means that 99.6% of the data in the sample is at or below the data point given.
The 70th percentile is the score below which 70 percent of the cases fall. If your 70th percentile is 56, 70 percent of students scored below 56.
It is the 31st percentile.
Mean.
No, it is not.
it means that 33% of the people did not score that.
92nd percentile is the value below which 92 percent of the cases fall. If in a test your 92nd percentile score is 70, it means 92 percent of the students scored below 70.
Mean = average and median = the middle value in an array of all values received. So to answer your question the 50th percentile of a distribution is the same as median.
Microcephaly is an extremely rare condition in which the fetus's head circumference is lower then one percentile.