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5 November, 05:37

A school requires an entrance exam score that is in the top 3% of the population in order to be accepted. If an entrance exam has a mean of 500 and a standard deviation of 55, what is the minimum qualifying score to be accepted at the school?

396.05

396.60

603.40

603.95

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  1. 5 November, 08:51
    0
    P (Z > z*) = 0.03 has a z * = 1.88

    The minimum qualifying score is = 500 + (1.88) (55) = 603.4
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