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19 June, 12:28

Given a normal distribution with a mean of 128 and a standard deviation of 15, what percentage of values is within the interval 83 to 173?

A. 32%

B. 50%

C. 68%

D. 95%

E. 99.7%

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Answers (2)
  1. 19 June, 12:31
    0
    The answer is C I think I'm not sure though
  2. 19 June, 12:39
    0
    E and c

    I think I hope it is
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