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Past Exam for MATH 1530 - Probability and Statistics with Maxson at Walters State Community College (WSCC)

Exam Information

Material Type:Exam
Professor:Maxson
Class:MATH 1530 - Probability and Statistics
Subject:Mathematics
University:Walters State Community College
Term:--
Keywords:
  • Randomly Selected
  • Standardized Test
  • Corporation
  • S-Corporation
  • S Corporation
  • Standardized
  • Probability.
  • Random Sample
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Sample Document Text

Math 1530 Chapter 5 Review Problems 1. A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a s.d. = 20. A. If an applicant is randomly selected, find the probability of a rating that is between 180 and 225. B. If an applicant is randomly selected, find the probability of a rating that is below 215. C. If an applicant is randomly selected, find the probability of a rating above 240. D. Find P70, i.e. the score which separates the lower 70% from the top 30%. E. If a group of 36 applicants is randomly selected, find the probability of a mean rating between 202 and 212. F. If a group of 100 applicants is randomly selected, find the probability of a mean rating greater than 198. 2. An educational testing corporation has designed a standardized test of mechanical aptitude. Scores on this test are normally distributed with a mean = 75 and s.d. = 15. A. If a subject is randomly selected and tested, find the prob...

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