With mean 120 mmhg and standard deviation 20 mmhg. the mean, Ask an Expert

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As part of a screening project, the systolic blood pressure of a sample of 100 nursing students was taken. Assume that the population of blood pressures from which the sample was drawn is normally distributed with mean 120 mmHg and standard deviation 20 mmHg. The mean systolic blood pressure for the sample was 126 mmHg. How likely is it that the results of this sample occurred?

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