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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 - ,

    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?

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    0.62%

  • stats - ,

    0.62%

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