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bob received a z score of 0.9 on a college entrance exam. If the raw scores have a mean of 540 and a standard deviation of 80 points,what is his raw score?

  • Statistics -

    Z = (score - mean)/ standard deviation

    .9 = (score - 540)/80

    Solve for score.

  • Statistics -

    i can learn statistics problems

  • Statistics -

    The mean scores on the stats exam was 75 points with a standard deviation of 5 points and becks z score was -2. How many points did he score?

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