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13 December, 17:08

The mean of a set of credit scores is and. Which credit score is within a z-score of 3.3?

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  1. 13 December, 17:40
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    720

    Step-by-step explanation:

    The mean of a set of credit scores is u=690 and o=14.

    mean = 690 and standard deviation SD = 14

    We use z - score formula

    z = 3.3 given

    Plug in the values and find out x

    Multiply 14 on both sides

    46.2 = x - 690

    Now add 690 on both sides

    x = 736.2

    Credit score is 720 that comes under 736.2
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