Provide an appropriate response. 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 of the 7500 welds completed that shift, what is the probability that he will find less than 20 substandard welds?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Provide an appropriate response.
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 of the 7500 welds completed that shift, what is the probability that
he will find less than 20 substandard welds?
Transcribed Image Text:Provide an appropriate response. 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 of the 7500 welds completed that shift, what is the probability that he will find less than 20 substandard welds?
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