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anonymous

  • one year ago

please help ?!?!?! A set of normally distributed data has a mean of 485 and a standard deviation of 11.6. Find the probability of randomly selecting 40 values and getting a mean less than 490. A. 0.9968 B. 0.8389 C. 0.6664 D. 0.0032

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  1. anonymous
    • one year ago
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    @pinkbubbles

  2. anonymous
    • one year ago
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    i'm not sure sorry maybe @SolomonZelman can help c:

  3. anonymous
    • one year ago
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    @mathstudent55

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