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5 August, 23:20

The systolic blood pressure readings of customers at a 24-hour gym franchise are normally distributed with a mean of 122 and a standard deviation of 15. Find the z-score corresponding to the following blood pressure reading.

A blood pressure score of 77 has a z-score of:

+5
Answers (1)
  1. 6 August, 01:39
    0
    the answer is - 3
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