Home » Certification Exams Questions » Find the probability of committing a Type II Error

If men having high blood sugar problems are diagnosed with Diabetes, with the mean blood sugar level to be 150 and a standard deviation of 10, and if any individual with blood sugar greater than 125 can be diagnosed with Diabetes, what is the probability of committing a Type II Error?

OPTIONS

  • 0.007
  • 0.00655
  • 0.0062
  • 0.0055

ANSWER

0.0062

EXPLANATION

Z = (150-125)/10 = 25/10 = 2.5 Area under 2.5 corresponds to 0.0062. Thus, the probability of a Type II Error, which is ?, is 0.62%.

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