4) Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard. If Smith checks 300 welds completed during that shift, what is the probability that he will find less than 20 substandard welds? A) 0.4066 C) 0.0934 B) 0.5934 D) 0.9066 5) The National Association of Realtors estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2004 is obtained what is the probability that at most 200 homes are going to be used as investment property? A) 0.5935 C) 0.0934 B) 0.4066 D) 0.9099 6) According to data from the American Cancer Society, about 3.86% of women develop breast cancer between the ages of 40-59. What is the probability that in a random sample of 500 39-year-old women without breast cancer, more than 20 will develop breast cancer by the age of 59? A) 0.4353 C) 0.4305 B) 0.2340 D) 0.6350

4) Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that for the afternoon shift 5% of all welds done will be substandard. If Smith checks 300 welds completed during that shift, what is the probability that he will find less than 20 substandard welds? A) 0.4066 C) 0.0934 B) 0.5934 D) 0.9066 5) The National Association of Realtors estimates that 23% of all homes purchased in 2004 were considered investment properties. If a sample of 800 homes sold in 2004 is obtained what is the probability that at most 200 homes are going to be used as investment property? A) 0.5935 C) 0.0934 B) 0.4066 D) 0.9099 6) According to data from the American Cancer Society, about 3.86% of women develop breast cancer between the ages of 40-59. What is the probability that in a random sample of 500 39-year-old women without breast cancer, more than 20 will develop breast cancer by the age of 59? A) 0.4353 C) 0.4305 B) 0.2340 D) 0.6350

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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