MATH221

Devry University

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Exam (elaborations) MATH 221 FINAL EXAM REVIEW(Version 2) QUESTIONS WITH ANSWERS: DEVRY UNIVERSITY
  • Exam (elaborations) MATH 221 FINAL EXAM REVIEW(Version 2) QUESTIONS WITH ANSWERS: DEVRY UNIVERSITY

  • Exam (elaborations) • 8 pages • 2022
  • 1) Jack weighs 160 pounds and his sister weighs 110 pounds. If the mean weight for men his age is 175 with a standard deviation of 14 pounds and the mean weight for women is 145 with a standard deviation of 10 pounds, determine whose weight is closer to "average." Write your answer in terms of z­scores and areas under the normal curve. for Jack z = 1.07 14 15 14 160 175 ≈ − − = − = − σ x µ , when z = ­1.07, area = .1423 for his sister 2.50 10 25 10 110...
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