Posted by dometrice on Wednesday, June 19, 2013 at 2:06pm.
An athletic director found that 31% of the football players have an A average in school. If 2% of the students at the school play football, what is the probability that a student chosen at random will be a football player with an A average?
suppose a normal distribution has a true population mean of 18 and a true standard deviation of 2. What % of observations will be 18 or less?

stats  PsyDAG, Wednesday, June 19, 2013 at 2:36pm
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
In a normal distribution, mean = mode = median. What is the definition of median?

stats  Anonymous, Monday, July 20, 2015 at 12:48pm
0.62%
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