statistics-normal distribution

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a set of data is normally distributed with a mean of 500 and a standard deviation of 100.

a) what would the standard score fora score of 700 be?

b) what % of scores is between 500 and 700?

c) what would the percentile rank for a score of 700?

  • statistics-normal distribution -

    please show calculations for a-c. want to compare calculations. thank you.
    mary

  • statistics-normal distribution -

    Suppose that IQ scores have a bell-shaped distribution with a mean of 96 and a standard deviation of 17. Using the empirical rule, what percentage of IQ scores are between 79 and 113?

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